diff options
Diffstat (limited to 'src')
64 files changed, 265 insertions, 0 deletions
diff --git a/src/librustc_mir_build/hair/pattern/check_match.rs b/src/librustc_mir_build/hair/pattern/check_match.rs index 9c86669cf9d..04fc16008ad 100644 --- a/src/librustc_mir_build/hair/pattern/check_match.rs +++ b/src/librustc_mir_build/hair/pattern/check_match.rs @@ -241,6 +241,7 @@ impl<'tcx> MatchVisitor<'_, 'tcx> { } adt_defined_here(cx, &mut err, pattern_ty, &witnesses); + err.note(&format!("the matched value is of type `{}`", pattern_ty)); err.emit(); }); } @@ -480,6 +481,7 @@ fn check_exhaustive<'p, 'tcx>( "ensure that all possible cases are being handled, \ possibly by adding wildcards or more match arms", ); + err.note(&format!("the matched value is of type `{}`", scrut_ty)); err.emit(); } diff --git a/src/test/ui/consts/const-match-check.eval1.stderr b/src/test/ui/consts/const-match-check.eval1.stderr index 087cc3c86a6..3850b1d82bf 100644 --- a/src/test/ui/consts/const-match-check.eval1.stderr +++ b/src/test/ui/consts/const-match-check.eval1.stderr @@ -6,6 +6,7 @@ LL | A = { let 0 = 0; 0 }, | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `i32` help: you might want to use `if let` to ignore the variant that isn't matched | LL | A = { if let 0 = 0 { /* */ } 0 }, diff --git a/src/test/ui/consts/const-match-check.eval2.stderr b/src/test/ui/consts/const-match-check.eval2.stderr index 80d9f794bc1..4e1d50f42d4 100644 --- a/src/test/ui/consts/const-match-check.eval2.stderr +++ b/src/test/ui/consts/const-match-check.eval2.stderr @@ -6,6 +6,7 @@ LL | let x: [i32; { let 0 = 0; 0 }] = []; | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `i32` help: you might want to use `if let` to ignore the variant that isn't matched | LL | let x: [i32; { if let 0 = 0 { /* */ } 0 }] = []; diff --git a/src/test/ui/consts/const-match-check.matchck.stderr b/src/test/ui/consts/const-match-check.matchck.stderr index e6b2f212bb4..2aabc0ca494 100644 --- a/src/test/ui/consts/const-match-check.matchck.stderr +++ b/src/test/ui/consts/const-match-check.matchck.stderr @@ -6,6 +6,7 @@ LL | const X: i32 = { let 0 = 0; 0 }; | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `i32` help: you might want to use `if let` to ignore the variant that isn't matched | LL | const X: i32 = { if let 0 = 0 { /* */ } 0 }; @@ -19,6 +20,7 @@ LL | static Y: i32 = { let 0 = 0; 0 }; | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `i32` help: you might want to use `if let` to ignore the variant that isn't matched | LL | static Y: i32 = { if let 0 = 0 { /* */ } 0 }; @@ -32,6 +34,7 @@ LL | const X: i32 = { let 0 = 0; 0 }; | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `i32` help: you might want to use `if let` to ignore the variant that isn't matched | LL | const X: i32 = { if let 0 = 0 { /* */ } 0 }; @@ -45,6 +48,7 @@ LL | const X: i32 = { let 0 = 0; 0 }; | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `i32` help: you might want to use `if let` to ignore the variant that isn't matched | LL | const X: i32 = { if let 0 = 0 { /* */ } 0 }; diff --git a/src/test/ui/consts/const-pattern-irrefutable.stderr b/src/test/ui/consts/const-pattern-irrefutable.stderr index 4814aa9a5b2..863e1372a9b 100644 --- a/src/test/ui/consts/const-pattern-irrefutable.stderr +++ b/src/test/ui/consts/const-pattern-irrefutable.stderr @@ -9,6 +9,8 @@ LL | let a = 4; | | | interpreted as a constant pattern, not a new variable | help: introduce a variable instead: `a_var` + | + = note: the matched value is of type `u8` error[E0005]: refutable pattern in local binding: `0u8..=1u8` and `3u8..=std::u8::MAX` not covered --> $DIR/const-pattern-irrefutable.rs:13:9 @@ -21,6 +23,8 @@ LL | let c = 4; | | | interpreted as a constant pattern, not a new variable | help: introduce a variable instead: `c_var` + | + = note: the matched value is of type `u8` error[E0005]: refutable pattern in local binding: `0u8..=1u8` and `3u8..=std::u8::MAX` not covered --> $DIR/const-pattern-irrefutable.rs:14:9 @@ -33,6 +37,8 @@ LL | let d = 4; | | | interpreted as a constant pattern, not a new variable | help: introduce a variable instead: `d_var` + | + = note: the matched value is of type `u8` error: aborting due to 3 previous errors diff --git a/src/test/ui/consts/const_let_refutable.stderr b/src/test/ui/consts/const_let_refutable.stderr index 0ba79e5f71a..02296e6de75 100644 --- a/src/test/ui/consts/const_let_refutable.stderr +++ b/src/test/ui/consts/const_let_refutable.stderr @@ -3,6 +3,8 @@ error[E0005]: refutable pattern in function argument: `&[]`, `&[_]` and `&[_, _, | LL | const fn slice(&[a, b]: &[i32]) -> i32 { | ^^^^^^^ patterns `&[]`, `&[_]` and `&[_, _, _, ..]` not covered + | + = note: the matched value is of type `&[i32]` error[E0723]: loops and conditional expressions are not stable in const fn --> $DIR/const_let_refutable.rs:3:17 diff --git a/src/test/ui/consts/match_ice.stderr b/src/test/ui/consts/match_ice.stderr index b25ac09ab12..5477170fb1e 100644 --- a/src/test/ui/consts/match_ice.stderr +++ b/src/test/ui/consts/match_ice.stderr @@ -14,6 +14,7 @@ LL | match K { | ^ pattern `&T` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&T` error: to use a constant of type `S` in a pattern, `S` must be annotated with `#[derive(PartialEq, Eq)]` --> $DIR/match_ice.rs:11:9 diff --git a/src/test/ui/empty/empty-never-array.stderr b/src/test/ui/empty/empty-never-array.stderr index a4ffceea4c9..64d640c0e9d 100644 --- a/src/test/ui/empty/empty-never-array.stderr +++ b/src/test/ui/empty/empty-never-array.stderr @@ -14,6 +14,7 @@ LL | let Helper::U(u) = Helper::T(t, []); | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `Helper<T, U>` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let Helper::U(u) = Helper::T(t, []) { /* */ } diff --git a/src/test/ui/error-codes/E0004-2.stderr b/src/test/ui/error-codes/E0004-2.stderr index e47a4fa755c..fcc44b7635c 100644 --- a/src/test/ui/error-codes/E0004-2.stderr +++ b/src/test/ui/error-codes/E0004-2.stderr @@ -13,6 +13,7 @@ LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), | ---- not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `std::option::Option<i32>` error: aborting due to previous error diff --git a/src/test/ui/error-codes/E0004.stderr b/src/test/ui/error-codes/E0004.stderr index 2940ad4bb1e..5bf375a6484 100644 --- a/src/test/ui/error-codes/E0004.stderr +++ b/src/test/ui/error-codes/E0004.stderr @@ -12,6 +12,7 @@ LL | match x { | ^ pattern `HastaLaVistaBaby` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Terminator` error: aborting due to previous error diff --git a/src/test/ui/error-codes/E0005.stderr b/src/test/ui/error-codes/E0005.stderr index 192b9944031..d43dc6fd649 100644 --- a/src/test/ui/error-codes/E0005.stderr +++ b/src/test/ui/error-codes/E0005.stderr @@ -11,6 +11,7 @@ LL | None, | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `std::option::Option<i32>` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let Some(y) = x { /* */ } diff --git a/src/test/ui/error-codes/E0297.stderr b/src/test/ui/error-codes/E0297.stderr index 4a75e9d1771..3ad841875e6 100644 --- a/src/test/ui/error-codes/E0297.stderr +++ b/src/test/ui/error-codes/E0297.stderr @@ -8,6 +8,8 @@ LL | for Some(x) in xs {} | LL | None, | ---- not covered + | + = note: the matched value is of type `std::option::Option<i32>` error: aborting due to previous error diff --git a/src/test/ui/feature-gates/feature-gate-exhaustive-patterns.stderr b/src/test/ui/feature-gates/feature-gate-exhaustive-patterns.stderr index c2dd90b91e7..06c2e6e5192 100644 --- a/src/test/ui/feature-gates/feature-gate-exhaustive-patterns.stderr +++ b/src/test/ui/feature-gates/feature-gate-exhaustive-patterns.stderr @@ -11,6 +11,7 @@ LL | Err(#[stable(feature = "rust1", since = "1.0.0")] E), | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `std::result::Result<u32, !>` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let Ok(_x) = foo() { /* */ } diff --git a/src/test/ui/feature-gates/feature-gate-precise_pointer_size_matching.stderr b/src/test/ui/feature-gates/feature-gate-precise_pointer_size_matching.stderr index 12b796d2e60..6c5d0091c5a 100644 --- a/src/test/ui/feature-gates/feature-gate-precise_pointer_size_matching.stderr +++ b/src/test/ui/feature-gates/feature-gate-precise_pointer_size_matching.stderr @@ -5,6 +5,7 @@ LL | match 0usize { | ^^^^^^ pattern `_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `usize` error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/feature-gate-precise_pointer_size_matching.rs:10:11 @@ -13,6 +14,7 @@ LL | match 0isize { | ^^^^^^ pattern `_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `isize` error: aborting due to 2 previous errors diff --git a/src/test/ui/for/for-loop-refutable-pattern-error-message.stderr b/src/test/ui/for/for-loop-refutable-pattern-error-message.stderr index 14aea2dc27e..ce12b7853b6 100644 --- a/src/test/ui/for/for-loop-refutable-pattern-error-message.stderr +++ b/src/test/ui/for/for-loop-refutable-pattern-error-message.stderr @@ -3,6 +3,8 @@ error[E0005]: refutable pattern in `for` loop binding: `&std::i32::MIN..=0i32` a | LL | for &1 in [1].iter() {} | ^^ patterns `&std::i32::MIN..=0i32` and `&2i32..=std::i32::MAX` not covered + | + = note: the matched value is of type `&i32` error: aborting due to previous error diff --git a/src/test/ui/half-open-range-patterns/half-open-range-pats-exhaustive-fail.stderr b/src/test/ui/half-open-range-patterns/half-open-range-pats-exhaustive-fail.stderr index 26d0cf9e9ec..6c7a0cdb77a 100644 --- a/src/test/ui/half-open-range-patterns/half-open-range-pats-exhaustive-fail.stderr +++ b/src/test/ui/half-open-range-patterns/half-open-range-pats-exhaustive-fail.stderr @@ -5,6 +5,7 @@ LL | m!(0f32, core::f32::NEG_INFINITY..); | ^^^^ pattern `_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `f32` error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:17:8 @@ -13,6 +14,7 @@ LL | m!(0f32, ..core::f32::INFINITY); | ^^^^ pattern `_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `f32` error[E0004]: non-exhaustive patterns: `'\u{10ffff}'` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:26:8 @@ -21,6 +23,7 @@ LL | m!('a', ..core::char::MAX); | ^^^ pattern `'\u{10ffff}'` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `char` error[E0004]: non-exhaustive patterns: `'\u{10fffe}'..='\u{10ffff}'` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:27:8 @@ -29,6 +32,7 @@ LL | m!('a', ..ALMOST_MAX); | ^^^ pattern `'\u{10fffe}'..='\u{10ffff}'` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `char` error[E0004]: non-exhaustive patterns: `'\u{0}'` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:28:8 @@ -37,6 +41,7 @@ LL | m!('a', ALMOST_MIN..); | ^^^ pattern `'\u{0}'` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `char` error[E0004]: non-exhaustive patterns: `'\u{10ffff}'` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:29:8 @@ -45,6 +50,7 @@ LL | m!('a', ..=ALMOST_MAX); | ^^^ pattern `'\u{10ffff}'` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `char` error[E0004]: non-exhaustive patterns: `'b'` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:30:8 @@ -53,6 +59,7 @@ LL | m!('a', ..=VAL | VAL_2..); | ^^^ pattern `'b'` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `char` error[E0004]: non-exhaustive patterns: `'b'` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:31:8 @@ -61,6 +68,7 @@ LL | m!('a', ..VAL_1 | VAL_2..); | ^^^ pattern `'b'` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `char` error[E0004]: non-exhaustive patterns: `std::u8::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:41:12 @@ -69,6 +77,7 @@ LL | m!(0, ..core::u8::MAX); | ^ pattern `std::u8::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error[E0004]: non-exhaustive patterns: `254u8..=std::u8::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:42:12 @@ -77,6 +86,7 @@ LL | m!(0, ..ALMOST_MAX); | ^ pattern `254u8..=std::u8::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error[E0004]: non-exhaustive patterns: `0u8` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:43:12 @@ -85,6 +95,7 @@ LL | m!(0, ALMOST_MIN..); | ^ pattern `0u8` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error[E0004]: non-exhaustive patterns: `std::u8::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:44:12 @@ -93,6 +104,7 @@ LL | m!(0, ..=ALMOST_MAX); | ^ pattern `std::u8::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error[E0004]: non-exhaustive patterns: `43u8` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:45:12 @@ -101,6 +113,7 @@ LL | m!(0, ..=VAL | VAL_2..); | ^ pattern `43u8` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error[E0004]: non-exhaustive patterns: `43u8` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:46:12 @@ -109,6 +122,7 @@ LL | m!(0, ..VAL_1 | VAL_2..); | ^ pattern `43u8` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error[E0004]: non-exhaustive patterns: `std::u16::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:54:12 @@ -117,6 +131,7 @@ LL | m!(0, ..core::u16::MAX); | ^ pattern `std::u16::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u16` error[E0004]: non-exhaustive patterns: `65534u16..=std::u16::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:55:12 @@ -125,6 +140,7 @@ LL | m!(0, ..ALMOST_MAX); | ^ pattern `65534u16..=std::u16::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u16` error[E0004]: non-exhaustive patterns: `0u16` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:56:12 @@ -133,6 +149,7 @@ LL | m!(0, ALMOST_MIN..); | ^ pattern `0u16` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u16` error[E0004]: non-exhaustive patterns: `std::u16::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:57:12 @@ -141,6 +158,7 @@ LL | m!(0, ..=ALMOST_MAX); | ^ pattern `std::u16::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u16` error[E0004]: non-exhaustive patterns: `43u16` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:58:12 @@ -149,6 +167,7 @@ LL | m!(0, ..=VAL | VAL_2..); | ^ pattern `43u16` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u16` error[E0004]: non-exhaustive patterns: `43u16` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:59:12 @@ -157,6 +176,7 @@ LL | m!(0, ..VAL_1 | VAL_2..); | ^ pattern `43u16` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u16` error[E0004]: non-exhaustive patterns: `std::u32::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:67:12 @@ -165,6 +185,7 @@ LL | m!(0, ..core::u32::MAX); | ^ pattern `std::u32::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u32` error[E0004]: non-exhaustive patterns: `4294967294u32..=std::u32::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:68:12 @@ -173,6 +194,7 @@ LL | m!(0, ..ALMOST_MAX); | ^ pattern `4294967294u32..=std::u32::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u32` error[E0004]: non-exhaustive patterns: `0u32` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:69:12 @@ -181,6 +203,7 @@ LL | m!(0, ALMOST_MIN..); | ^ pattern `0u32` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u32` error[E0004]: non-exhaustive patterns: `std::u32::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:70:12 @@ -189,6 +212,7 @@ LL | m!(0, ..=ALMOST_MAX); | ^ pattern `std::u32::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u32` error[E0004]: non-exhaustive patterns: `43u32` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:71:12 @@ -197,6 +221,7 @@ LL | m!(0, ..=VAL | VAL_2..); | ^ pattern `43u32` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u32` error[E0004]: non-exhaustive patterns: `43u32` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:72:12 @@ -205,6 +230,7 @@ LL | m!(0, ..VAL_1 | VAL_2..); | ^ pattern `43u32` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u32` error[E0004]: non-exhaustive patterns: `std::u64::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:80:12 @@ -213,6 +239,7 @@ LL | m!(0, ..core::u64::MAX); | ^ pattern `std::u64::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u64` error[E0004]: non-exhaustive patterns: `18446744073709551614u64..=std::u64::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:81:12 @@ -221,6 +248,7 @@ LL | m!(0, ..ALMOST_MAX); | ^ pattern `18446744073709551614u64..=std::u64::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u64` error[E0004]: non-exhaustive patterns: `0u64` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:82:12 @@ -229,6 +257,7 @@ LL | m!(0, ALMOST_MIN..); | ^ pattern `0u64` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u64` error[E0004]: non-exhaustive patterns: `std::u64::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:83:12 @@ -237,6 +266,7 @@ LL | m!(0, ..=ALMOST_MAX); | ^ pattern `std::u64::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u64` error[E0004]: non-exhaustive patterns: `43u64` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:84:12 @@ -245,6 +275,7 @@ LL | m!(0, ..=VAL | VAL_2..); | ^ pattern `43u64` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u64` error[E0004]: non-exhaustive patterns: `43u64` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:85:12 @@ -253,6 +284,7 @@ LL | m!(0, ..VAL_1 | VAL_2..); | ^ pattern `43u64` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u64` error[E0004]: non-exhaustive patterns: `std::u128::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:93:12 @@ -261,6 +293,7 @@ LL | m!(0, ..core::u128::MAX); | ^ pattern `std::u128::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u128` error[E0004]: non-exhaustive patterns: `340282366920938463463374607431768211454u128..=std::u128::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:94:12 @@ -269,6 +302,7 @@ LL | m!(0, ..ALMOST_MAX); | ^ pattern `340282366920938463463374607431768211454u128..=std::u128::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u128` error[E0004]: non-exhaustive patterns: `0u128` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:95:12 @@ -277,6 +311,7 @@ LL | m!(0, ALMOST_MIN..); | ^ pattern `0u128` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u128` error[E0004]: non-exhaustive patterns: `std::u128::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:96:12 @@ -285,6 +320,7 @@ LL | m!(0, ..=ALMOST_MAX); | ^ pattern `std::u128::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u128` error[E0004]: non-exhaustive patterns: `43u128` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:97:12 @@ -293,6 +329,7 @@ LL | m!(0, ..=VAL | VAL_2..); | ^ pattern `43u128` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u128` error[E0004]: non-exhaustive patterns: `43u128` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:98:12 @@ -301,6 +338,7 @@ LL | m!(0, ..VAL_1 | VAL_2..); | ^ pattern `43u128` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u128` error[E0004]: non-exhaustive patterns: `std::i8::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:109:12 @@ -309,6 +347,7 @@ LL | m!(0, ..core::i8::MAX); | ^ pattern `std::i8::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i8` error[E0004]: non-exhaustive patterns: `126i8..=std::i8::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:110:12 @@ -317,6 +356,7 @@ LL | m!(0, ..ALMOST_MAX); | ^ pattern `126i8..=std::i8::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i8` error[E0004]: non-exhaustive patterns: `std::i8::MIN` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:111:12 @@ -325,6 +365,7 @@ LL | m!(0, ALMOST_MIN..); | ^ pattern `std::i8::MIN` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i8` error[E0004]: non-exhaustive patterns: `std::i8::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:112:12 @@ -333,6 +374,7 @@ LL | m!(0, ..=ALMOST_MAX); | ^ pattern `std::i8::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i8` error[E0004]: non-exhaustive patterns: `43i8` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:113:12 @@ -341,6 +383,7 @@ LL | m!(0, ..=VAL | VAL_2..); | ^ pattern `43i8` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i8` error[E0004]: non-exhaustive patterns: `43i8` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:114:12 @@ -349,6 +392,7 @@ LL | m!(0, ..VAL_1 | VAL_2..); | ^ pattern `43i8` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i8` error[E0004]: non-exhaustive patterns: `std::i16::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:122:12 @@ -357,6 +401,7 @@ LL | m!(0, ..core::i16::MAX); | ^ pattern `std::i16::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i16` error[E0004]: non-exhaustive patterns: `32766i16..=std::i16::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:123:12 @@ -365,6 +410,7 @@ LL | m!(0, ..ALMOST_MAX); | ^ pattern `32766i16..=std::i16::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i16` error[E0004]: non-exhaustive patterns: `std::i16::MIN` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:124:12 @@ -373,6 +419,7 @@ LL | m!(0, ALMOST_MIN..); | ^ pattern `std::i16::MIN` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i16` error[E0004]: non-exhaustive patterns: `std::i16::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:125:12 @@ -381,6 +428,7 @@ LL | m!(0, ..=ALMOST_MAX); | ^ pattern `std::i16::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i16` error[E0004]: non-exhaustive patterns: `43i16` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:126:12 @@ -389,6 +437,7 @@ LL | m!(0, ..=VAL | VAL_2..); | ^ pattern `43i16` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i16` error[E0004]: non-exhaustive patterns: `43i16` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:127:12 @@ -397,6 +446,7 @@ LL | m!(0, ..VAL_1 | VAL_2..); | ^ pattern `43i16` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i16` error[E0004]: non-exhaustive patterns: `std::i32::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:135:12 @@ -405,6 +455,7 @@ LL | m!(0, ..core::i32::MAX); | ^ pattern `std::i32::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i32` error[E0004]: non-exhaustive patterns: `2147483646i32..=std::i32::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:136:12 @@ -413,6 +464,7 @@ LL | m!(0, ..ALMOST_MAX); | ^ pattern `2147483646i32..=std::i32::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i32` error[E0004]: non-exhaustive patterns: `std::i32::MIN` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:137:12 @@ -421,6 +473,7 @@ LL | m!(0, ALMOST_MIN..); | ^ pattern `std::i32::MIN` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i32` error[E0004]: non-exhaustive patterns: `std::i32::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:138:12 @@ -429,6 +482,7 @@ LL | m!(0, ..=ALMOST_MAX); | ^ pattern `std::i32::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i32` error[E0004]: non-exhaustive patterns: `43i32` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:139:12 @@ -437,6 +491,7 @@ LL | m!(0, ..=VAL | VAL_2..); | ^ pattern `43i32` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i32` error[E0004]: non-exhaustive patterns: `43i32` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:140:12 @@ -445,6 +500,7 @@ LL | m!(0, ..VAL_1 | VAL_2..); | ^ pattern `43i32` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i32` error[E0004]: non-exhaustive patterns: `std::i64::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:148:12 @@ -453,6 +509,7 @@ LL | m!(0, ..core::i64::MAX); | ^ pattern `std::i64::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i64` error[E0004]: non-exhaustive patterns: `9223372036854775806i64..=std::i64::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:149:12 @@ -461,6 +518,7 @@ LL | m!(0, ..ALMOST_MAX); | ^ pattern `9223372036854775806i64..=std::i64::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i64` error[E0004]: non-exhaustive patterns: `std::i64::MIN` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:150:12 @@ -469,6 +527,7 @@ LL | m!(0, ALMOST_MIN..); | ^ pattern `std::i64::MIN` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i64` error[E0004]: non-exhaustive patterns: `std::i64::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:151:12 @@ -477,6 +536,7 @@ LL | m!(0, ..=ALMOST_MAX); | ^ pattern `std::i64::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i64` error[E0004]: non-exhaustive patterns: `43i64` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:152:12 @@ -485,6 +545,7 @@ LL | m!(0, ..=VAL | VAL_2..); | ^ pattern `43i64` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i64` error[E0004]: non-exhaustive patterns: `43i64` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:153:12 @@ -493,6 +554,7 @@ LL | m!(0, ..VAL_1 | VAL_2..); | ^ pattern `43i64` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i64` error[E0004]: non-exhaustive patterns: `std::i128::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:161:12 @@ -501,6 +563,7 @@ LL | m!(0, ..core::i128::MAX); | ^ pattern `std::i128::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i128` error[E0004]: non-exhaustive patterns: `170141183460469231731687303715884105726i128..=std::i128::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:162:12 @@ -509,6 +572,7 @@ LL | m!(0, ..ALMOST_MAX); | ^ pattern `170141183460469231731687303715884105726i128..=std::i128::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i128` error[E0004]: non-exhaustive patterns: `std::i128::MIN` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:163:12 @@ -517,6 +581,7 @@ LL | m!(0, ALMOST_MIN..); | ^ pattern `std::i128::MIN` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i128` error[E0004]: non-exhaustive patterns: `std::i128::MAX` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:164:12 @@ -525,6 +590,7 @@ LL | m!(0, ..=ALMOST_MAX); | ^ pattern `std::i128::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i128` error[E0004]: non-exhaustive patterns: `43i128` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:165:12 @@ -533,6 +599,7 @@ LL | m!(0, ..=VAL | VAL_2..); | ^ pattern `43i128` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i128` error[E0004]: non-exhaustive patterns: `43i128` not covered --> $DIR/half-open-range-pats-exhaustive-fail.rs:166:12 @@ -541,6 +608,7 @@ LL | m!(0, ..VAL_1 | VAL_2..); | ^ pattern `43i128` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i128` error: aborting due to 68 previous errors diff --git a/src/test/ui/issues/issue-15129.stderr b/src/test/ui/issues/issue-15129.stderr index b93fa14db03..aa4434e72b5 100644 --- a/src/test/ui/issues/issue-15129.stderr +++ b/src/test/ui/issues/issue-15129.stderr @@ -5,6 +5,7 @@ LL | match (T::T1(()), V::V2(true)) { | ^^^^^^^^^^^^^^^^^^^^^^^^ pattern `(T1(()), V2(_))` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(T, V)` error: aborting due to previous error diff --git a/src/test/ui/issues/issue-15381.stderr b/src/test/ui/issues/issue-15381.stderr index 35f46ab5727..c4667ce1c8b 100644 --- a/src/test/ui/issues/issue-15381.stderr +++ b/src/test/ui/issues/issue-15381.stderr @@ -3,6 +3,8 @@ error[E0005]: refutable pattern in `for` loop binding: `&[]`, `&[_]`, `&[_, _]` | LL | for &[x,y,z] in values.chunks(3).filter(|&xs| xs.len() == 3) { | ^^^^^^^^ patterns `&[]`, `&[_]`, `&[_, _]` and 1 more not covered + | + = note: the matched value is of type `&[u8]` error: aborting due to previous error diff --git a/src/test/ui/issues/issue-2111.stderr b/src/test/ui/issues/issue-2111.stderr index 90fdb48ea62..aab2559a155 100644 --- a/src/test/ui/issues/issue-2111.stderr +++ b/src/test/ui/issues/issue-2111.stderr @@ -5,6 +5,7 @@ LL | match (a,b) { | ^^^^^ pattern `(None, None)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(std::option::Option<usize>, std::option::Option<usize>)` error: aborting due to previous error diff --git a/src/test/ui/issues/issue-30240.stderr b/src/test/ui/issues/issue-30240.stderr index 8b683b4af65..a2c58d6e051 100644 --- a/src/test/ui/issues/issue-30240.stderr +++ b/src/test/ui/issues/issue-30240.stderr @@ -5,6 +5,7 @@ LL | match "world" { | ^^^^^^^ pattern `&_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&str` error[E0004]: non-exhaustive patterns: `&_` not covered --> $DIR/issue-30240.rs:6:11 @@ -13,6 +14,7 @@ LL | match "world" { | ^^^^^^^ pattern `&_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&str` error: aborting due to 2 previous errors diff --git a/src/test/ui/issues/issue-3096-1.stderr b/src/test/ui/issues/issue-3096-1.stderr index c5a7fa7e0eb..97c34755189 100644 --- a/src/test/ui/issues/issue-3096-1.stderr +++ b/src/test/ui/issues/issue-3096-1.stderr @@ -5,6 +5,7 @@ LL | match () { } | ^^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `()` error: aborting due to previous error diff --git a/src/test/ui/issues/issue-3096-2.stderr b/src/test/ui/issues/issue-3096-2.stderr index 6f2e0e760d7..472d1a91e6a 100644 --- a/src/test/ui/issues/issue-3096-2.stderr +++ b/src/test/ui/issues/issue-3096-2.stderr @@ -5,6 +5,7 @@ LL | match x { } | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `*const Bottom` error: aborting due to previous error diff --git a/src/test/ui/issues/issue-31561.stderr b/src/test/ui/issues/issue-31561.stderr index d3c8e876b8a..2f562b23692 100644 --- a/src/test/ui/issues/issue-31561.stderr +++ b/src/test/ui/issues/issue-31561.stderr @@ -15,6 +15,7 @@ LL | let Thing::Foo(y) = Thing::Foo(1); | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `Thing` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let Thing::Foo(y) = Thing::Foo(1) { /* */ } diff --git a/src/test/ui/issues/issue-3601.stderr b/src/test/ui/issues/issue-3601.stderr index 445eb4107d1..6b2a5d76243 100644 --- a/src/test/ui/issues/issue-3601.stderr +++ b/src/test/ui/issues/issue-3601.stderr @@ -5,6 +5,7 @@ LL | box NodeKind::Element(ed) => match ed.kind { | ^^^^^^^ pattern `Box(_)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `std::boxed::Box<ElementKind>` error: aborting due to previous error diff --git a/src/test/ui/issues/issue-39362.stderr b/src/test/ui/issues/issue-39362.stderr index 55cd14a5c1e..8c162e55619 100644 --- a/src/test/ui/issues/issue-39362.stderr +++ b/src/test/ui/issues/issue-39362.stderr @@ -10,6 +10,7 @@ LL | match f { | ^ patterns `Bar { bar: C, .. }`, `Bar { bar: D, .. }`, `Bar { bar: E, .. }` and 1 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Foo` error: aborting due to previous error diff --git a/src/test/ui/issues/issue-4321.stderr b/src/test/ui/issues/issue-4321.stderr index afb4fe775d5..1e8852556b1 100644 --- a/src/test/ui/issues/issue-4321.stderr +++ b/src/test/ui/issues/issue-4321.stderr @@ -5,6 +5,7 @@ LL | println!("foo {:}", match tup { | ^^^ pattern `(true, false)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(bool, bool)` error: aborting due to previous error diff --git a/src/test/ui/match/issue-50900.stderr b/src/test/ui/match/issue-50900.stderr index 7192f11a5e8..d378b6e8efe 100644 --- a/src/test/ui/match/issue-50900.stderr +++ b/src/test/ui/match/issue-50900.stderr @@ -8,6 +8,7 @@ LL | match Tag::ExifIFDPointer { | ^^^^^^^^^^^^^^^^^^^ pattern `Tag(Exif, _)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Tag` error: aborting due to previous error diff --git a/src/test/ui/missing/missing-items/issue-40221.stderr b/src/test/ui/missing/missing-items/issue-40221.stderr index 8e5286f2100..98efe805a0b 100644 --- a/src/test/ui/missing/missing-items/issue-40221.stderr +++ b/src/test/ui/missing/missing-items/issue-40221.stderr @@ -11,6 +11,7 @@ LL | match proto { | ^^^^^ pattern `C(QA)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `P` error: aborting due to previous error diff --git a/src/test/ui/or-patterns/exhaustiveness-non-exhaustive.stderr b/src/test/ui/or-patterns/exhaustiveness-non-exhaustive.stderr index 3ba26de10d3..b45e947f3ea 100644 --- a/src/test/ui/or-patterns/exhaustiveness-non-exhaustive.stderr +++ b/src/test/ui/or-patterns/exhaustiveness-non-exhaustive.stderr @@ -5,6 +5,7 @@ LL | match (0u8, 0u8) { | ^^^^^^^^^^ pattern `(2u8..=std::u8::MAX, _)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(u8, u8)` error[E0004]: non-exhaustive patterns: `((4u8..=std::u8::MAX))` not covered --> $DIR/exhaustiveness-non-exhaustive.rs:10:11 @@ -13,6 +14,7 @@ LL | match ((0u8,),) { | ^^^^^^^^^ pattern `((4u8..=std::u8::MAX))` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `((u8,),)` error[E0004]: non-exhaustive patterns: `(Some(2u8..=std::u8::MAX))` not covered --> $DIR/exhaustiveness-non-exhaustive.rs:14:11 @@ -21,6 +23,7 @@ LL | match (Some(0u8),) { | ^^^^^^^^^^^^ pattern `(Some(2u8..=std::u8::MAX))` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(std::option::Option<u8>,)` error: aborting due to 3 previous errors diff --git a/src/test/ui/or-patterns/issue-69875-should-have-been-expanded-earlier-non-exhaustive.stderr b/src/test/ui/or-patterns/issue-69875-should-have-been-expanded-earlier-non-exhaustive.stderr index 58286e87869..351700a6aa5 100644 --- a/src/test/ui/or-patterns/issue-69875-should-have-been-expanded-earlier-non-exhaustive.stderr +++ b/src/test/ui/or-patterns/issue-69875-should-have-been-expanded-earlier-non-exhaustive.stderr @@ -6,6 +6,7 @@ LL | let 0 | (1 | 2) = 0; | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `i32` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let 0 | (1 | 2) = 0 { /* */ } @@ -18,6 +19,7 @@ LL | match 0 { | ^ patterns `std::i32::MIN..=-1i32` and `3i32..=std::i32::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i32` error: aborting due to 2 previous errors diff --git a/src/test/ui/pattern/usefulness/always-inhabited-union-ref.stderr b/src/test/ui/pattern/usefulness/always-inhabited-union-ref.stderr index e1079f912d0..0fa77fb73da 100644 --- a/src/test/ui/pattern/usefulness/always-inhabited-union-ref.stderr +++ b/src/test/ui/pattern/usefulness/always-inhabited-union-ref.stderr @@ -5,6 +5,7 @@ LL | match uninhab_ref() { | ^^^^^^^^^^^^^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&!` error[E0004]: non-exhaustive patterns: type `Foo` is non-empty --> $DIR/always-inhabited-union-ref.rs:27:11 @@ -18,6 +19,7 @@ LL | match uninhab_union() { | ^^^^^^^^^^^^^^^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Foo` error: aborting due to 2 previous errors diff --git a/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.stderr b/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.stderr index 5866df5cb1d..edc5ece558a 100644 --- a/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.stderr +++ b/src/test/ui/pattern/usefulness/exhaustive_integer_patterns.stderr @@ -17,6 +17,7 @@ LL | match x { | ^ pattern `128u8..=std::u8::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error[E0004]: non-exhaustive patterns: `11u8..=19u8`, `31u8..=34u8`, `36u8..=69u8` and 1 more not covered --> $DIR/exhaustive_integer_patterns.rs:33:11 @@ -25,6 +26,7 @@ LL | match x { | ^ patterns `11u8..=19u8`, `31u8..=34u8`, `36u8..=69u8` and 1 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error: unreachable pattern --> $DIR/exhaustive_integer_patterns.rs:44:9 @@ -39,6 +41,7 @@ LL | match x { | ^ patterns `std::i8::MIN..=-8i8`, `-6i8`, `121i8..=124i8` and 1 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i8` error[E0004]: non-exhaustive patterns: `std::i8::MIN` not covered --> $DIR/exhaustive_integer_patterns.rs:83:11 @@ -47,6 +50,7 @@ LL | match 0i8 { | ^^^ pattern `std::i8::MIN` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i8` error[E0004]: non-exhaustive patterns: `0i16` not covered --> $DIR/exhaustive_integer_patterns.rs:91:11 @@ -55,6 +59,7 @@ LL | match 0i16 { | ^^^^ pattern `0i16` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i16` error[E0004]: non-exhaustive patterns: `128u8..=std::u8::MAX` not covered --> $DIR/exhaustive_integer_patterns.rs:109:11 @@ -63,6 +68,7 @@ LL | match 0u8 { | ^^^ pattern `128u8..=std::u8::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error[E0004]: non-exhaustive patterns: `(0u8, Some(_))` and `(2u8..=std::u8::MAX, Some(_))` not covered --> $DIR/exhaustive_integer_patterns.rs:121:11 @@ -71,6 +77,7 @@ LL | match (0u8, Some(())) { | ^^^^^^^^^^^^^^^ patterns `(0u8, Some(_))` and `(2u8..=std::u8::MAX, Some(_))` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(u8, std::option::Option<()>)` error[E0004]: non-exhaustive patterns: `(126u8..=127u8, false)` not covered --> $DIR/exhaustive_integer_patterns.rs:126:11 @@ -79,6 +86,7 @@ LL | match (0u8, true) { | ^^^^^^^^^^^ pattern `(126u8..=127u8, false)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(u8, bool)` error: multiple patterns covering the same range --> $DIR/exhaustive_integer_patterns.rs:141:9 @@ -101,6 +109,7 @@ LL | match 0u128 { | ^^^^^ pattern `std::u128::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u128` error[E0004]: non-exhaustive patterns: `5u128..=std::u128::MAX` not covered --> $DIR/exhaustive_integer_patterns.rs:150:11 @@ -109,6 +118,7 @@ LL | match 0u128 { | ^^^^^ pattern `5u128..=std::u128::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u128` error[E0004]: non-exhaustive patterns: `0u128..=3u128` not covered --> $DIR/exhaustive_integer_patterns.rs:154:11 @@ -117,6 +127,7 @@ LL | match 0u128 { | ^^^^^ pattern `0u128..=3u128` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u128` error: unreachable pattern --> $DIR/exhaustive_integer_patterns.rs:162:9 diff --git a/src/test/ui/pattern/usefulness/issue-35609.stderr b/src/test/ui/pattern/usefulness/issue-35609.stderr index af22535c55e..66f904aced1 100644 --- a/src/test/ui/pattern/usefulness/issue-35609.stderr +++ b/src/test/ui/pattern/usefulness/issue-35609.stderr @@ -5,6 +5,7 @@ LL | match (A, ()) { | ^^^^^^^ patterns `(B, _)`, `(C, _)`, `(D, _)` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(Enum, ())` error[E0004]: non-exhaustive patterns: `(_, B)`, `(_, C)`, `(_, D)` and 2 more not covered --> $DIR/issue-35609.rs:14:11 @@ -13,6 +14,7 @@ LL | match (A, A) { | ^^^^^^ patterns `(_, B)`, `(_, C)`, `(_, D)` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(Enum, Enum)` error[E0004]: non-exhaustive patterns: `((B, _), _)`, `((C, _), _)`, `((D, _), _)` and 2 more not covered --> $DIR/issue-35609.rs:18:11 @@ -21,6 +23,7 @@ LL | match ((A, ()), ()) { | ^^^^^^^^^^^^^ patterns `((B, _), _)`, `((C, _), _)`, `((D, _), _)` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `((Enum, ()), ())` error[E0004]: non-exhaustive patterns: `((B, _), _)`, `((C, _), _)`, `((D, _), _)` and 2 more not covered --> $DIR/issue-35609.rs:22:11 @@ -29,6 +32,7 @@ LL | match ((A, ()), A) { | ^^^^^^^^^^^^ patterns `((B, _), _)`, `((C, _), _)`, `((D, _), _)` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `((Enum, ()), Enum)` error[E0004]: non-exhaustive patterns: `((B, _), _)`, `((C, _), _)`, `((D, _), _)` and 2 more not covered --> $DIR/issue-35609.rs:26:11 @@ -37,6 +41,7 @@ LL | match ((A, ()), ()) { | ^^^^^^^^^^^^^ patterns `((B, _), _)`, `((C, _), _)`, `((D, _), _)` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `((Enum, ()), ())` error[E0004]: non-exhaustive patterns: `S(B, _)`, `S(C, _)`, `S(D, _)` and 2 more not covered --> $DIR/issue-35609.rs:31:11 @@ -48,6 +53,7 @@ LL | match S(A, ()) { | ^^^^^^^^ patterns `S(B, _)`, `S(C, _)`, `S(D, _)` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `S` error[E0004]: non-exhaustive patterns: `Sd { x: B, .. }`, `Sd { x: C, .. }`, `Sd { x: D, .. }` and 2 more not covered --> $DIR/issue-35609.rs:35:11 @@ -59,6 +65,7 @@ LL | match (Sd { x: A, y: () }) { | ^^^^^^^^^^^^^^^^^^^^ patterns `Sd { x: B, .. }`, `Sd { x: C, .. }`, `Sd { x: D, .. }` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Sd` error[E0004]: non-exhaustive patterns: `Some(B)`, `Some(C)`, `Some(D)` and 2 more not covered --> $DIR/issue-35609.rs:39:11 @@ -67,6 +74,7 @@ LL | match Some(A) { | ^^^^^^^ patterns `Some(B)`, `Some(C)`, `Some(D)` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `std::option::Option<Enum>` error: aborting due to 8 previous errors diff --git a/src/test/ui/pattern/usefulness/match-arm-statics-2.stderr b/src/test/ui/pattern/usefulness/match-arm-statics-2.stderr index 7bb6a700a37..09b92fc92f3 100644 --- a/src/test/ui/pattern/usefulness/match-arm-statics-2.stderr +++ b/src/test/ui/pattern/usefulness/match-arm-statics-2.stderr @@ -5,6 +5,7 @@ LL | match (true, false) { | ^^^^^^^^^^^^^ pattern `(true, false)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(bool, bool)` error[E0004]: non-exhaustive patterns: `Some(Some(West))` not covered --> $DIR/match-arm-statics-2.rs:34:11 @@ -21,6 +22,7 @@ LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), | not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `std::option::Option<std::option::Option<Direction>>` error[E0004]: non-exhaustive patterns: `Foo { bar: Some(North), baz: NewBool(true) }` not covered --> $DIR/match-arm-statics-2.rs:53:11 @@ -35,6 +37,7 @@ LL | match (Foo { bar: Some(North), baz: NewBool(true) }) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `Foo { bar: Some(North), baz: NewBool(true) }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Foo` error: aborting due to 3 previous errors diff --git a/src/test/ui/pattern/usefulness/match-byte-array-patterns-2.stderr b/src/test/ui/pattern/usefulness/match-byte-array-patterns-2.stderr index 539aa854f9e..323449eebc5 100644 --- a/src/test/ui/pattern/usefulness/match-byte-array-patterns-2.stderr +++ b/src/test/ui/pattern/usefulness/match-byte-array-patterns-2.stderr @@ -5,6 +5,7 @@ LL | match buf { | ^^^ patterns `&[0u8..=64u8, _, _, _]` and `&[66u8..=std::u8::MAX, _, _, _]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[u8; 4]` error[E0004]: non-exhaustive patterns: `&[]`, `&[_]`, `&[_, _]` and 2 more not covered --> $DIR/match-byte-array-patterns-2.rs:10:11 @@ -13,6 +14,7 @@ LL | match buf { | ^^^ patterns `&[]`, `&[_]`, `&[_, _]` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[u8]` error: aborting due to 2 previous errors diff --git a/src/test/ui/pattern/usefulness/match-empty-exhaustive_patterns.stderr b/src/test/ui/pattern/usefulness/match-empty-exhaustive_patterns.stderr index 49c38d2a9d3..1f6503e3e9c 100644 --- a/src/test/ui/pattern/usefulness/match-empty-exhaustive_patterns.stderr +++ b/src/test/ui/pattern/usefulness/match-empty-exhaustive_patterns.stderr @@ -35,6 +35,7 @@ LL | match_empty!(0u8); | ^^^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error[E0004]: non-exhaustive patterns: type `NonEmptyStruct` is non-empty --> $DIR/match-empty-exhaustive_patterns.rs:66:18 @@ -46,6 +47,7 @@ LL | match_empty!(NonEmptyStruct(true)); | ^^^^^^^^^^^^^^^^^^^^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyStruct` error[E0004]: non-exhaustive patterns: type `NonEmptyUnion1` is non-empty --> $DIR/match-empty-exhaustive_patterns.rs:68:18 @@ -59,6 +61,7 @@ LL | match_empty!((NonEmptyUnion1 { foo: () })); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyUnion1` error[E0004]: non-exhaustive patterns: type `NonEmptyUnion2` is non-empty --> $DIR/match-empty-exhaustive_patterns.rs:70:18 @@ -73,6 +76,7 @@ LL | match_empty!((NonEmptyUnion2 { foo: () })); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyUnion2` error[E0004]: non-exhaustive patterns: `Foo(_)` not covered --> $DIR/match-empty-exhaustive_patterns.rs:72:18 @@ -89,6 +93,7 @@ LL | match_empty!(NonEmptyEnum1::Foo(true)); | ^^^^^^^^^^^^^^^^^^^^^^^^ pattern `Foo(_)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyEnum1` error[E0004]: non-exhaustive patterns: `Foo(_)` and `Bar` not covered --> $DIR/match-empty-exhaustive_patterns.rs:74:18 @@ -109,6 +114,7 @@ LL | match_empty!(NonEmptyEnum2::Foo(true)); | ^^^^^^^^^^^^^^^^^^^^^^^^ patterns `Foo(_)` and `Bar` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyEnum2` error[E0004]: non-exhaustive patterns: `V1`, `V2`, `V3` and 2 more not covered --> $DIR/match-empty-exhaustive_patterns.rs:76:18 @@ -122,6 +128,7 @@ LL | match_empty!(NonEmptyEnum5::V1); | ^^^^^^^^^^^^^^^^^ patterns `V1`, `V2`, `V3` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyEnum5` error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/match-empty-exhaustive_patterns.rs:79:18 @@ -130,6 +137,7 @@ LL | match_false!(0u8); | ^^^ pattern `_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error[E0004]: non-exhaustive patterns: `NonEmptyStruct(_)` not covered --> $DIR/match-empty-exhaustive_patterns.rs:81:18 @@ -141,6 +149,7 @@ LL | match_false!(NonEmptyStruct(true)); | ^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyStruct(_)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyStruct` error[E0004]: non-exhaustive patterns: `NonEmptyUnion1 { .. }` not covered --> $DIR/match-empty-exhaustive_patterns.rs:83:18 @@ -154,6 +163,7 @@ LL | match_false!((NonEmptyUnion1 { foo: () })); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyUnion1 { .. }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyUnion1` error[E0004]: non-exhaustive patterns: `NonEmptyUnion2 { .. }` not covered --> $DIR/match-empty-exhaustive_patterns.rs:85:18 @@ -168,6 +178,7 @@ LL | match_false!((NonEmptyUnion2 { foo: () })); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyUnion2 { .. }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyUnion2` error[E0004]: non-exhaustive patterns: `Foo(_)` not covered --> $DIR/match-empty-exhaustive_patterns.rs:87:18 @@ -184,6 +195,7 @@ LL | match_false!(NonEmptyEnum1::Foo(true)); | ^^^^^^^^^^^^^^^^^^^^^^^^ pattern `Foo(_)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyEnum1` error[E0004]: non-exhaustive patterns: `Foo(_)` and `Bar` not covered --> $DIR/match-empty-exhaustive_patterns.rs:89:18 @@ -204,6 +216,7 @@ LL | match_false!(NonEmptyEnum2::Foo(true)); | ^^^^^^^^^^^^^^^^^^^^^^^^ patterns `Foo(_)` and `Bar` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyEnum2` error[E0004]: non-exhaustive patterns: `V1`, `V2`, `V3` and 2 more not covered --> $DIR/match-empty-exhaustive_patterns.rs:91:18 @@ -217,6 +230,7 @@ LL | match_false!(NonEmptyEnum5::V1); | ^^^^^^^^^^^^^^^^^ patterns `V1`, `V2`, `V3` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyEnum5` error: aborting due to 18 previous errors diff --git a/src/test/ui/pattern/usefulness/match-empty.stderr b/src/test/ui/pattern/usefulness/match-empty.stderr index 72e3fc0a167..08095f6e7fb 100644 --- a/src/test/ui/pattern/usefulness/match-empty.stderr +++ b/src/test/ui/pattern/usefulness/match-empty.stderr @@ -8,6 +8,7 @@ LL | match_false!(x); // Not detected as unreachable nor exhaustive. | ^ pattern `_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Foo` error[E0004]: non-exhaustive patterns: type `u8` is non-empty --> $DIR/match-empty.rs:63:18 @@ -16,6 +17,7 @@ LL | match_empty!(0u8); | ^^^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error[E0004]: non-exhaustive patterns: type `NonEmptyStruct` is non-empty --> $DIR/match-empty.rs:65:18 @@ -27,6 +29,7 @@ LL | match_empty!(NonEmptyStruct(true)); | ^^^^^^^^^^^^^^^^^^^^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyStruct` error[E0004]: non-exhaustive patterns: type `NonEmptyUnion1` is non-empty --> $DIR/match-empty.rs:67:18 @@ -40,6 +43,7 @@ LL | match_empty!((NonEmptyUnion1 { foo: () })); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyUnion1` error[E0004]: non-exhaustive patterns: type `NonEmptyUnion2` is non-empty --> $DIR/match-empty.rs:69:18 @@ -54,6 +58,7 @@ LL | match_empty!((NonEmptyUnion2 { foo: () })); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyUnion2` error[E0004]: non-exhaustive patterns: `Foo(_)` not covered --> $DIR/match-empty.rs:71:18 @@ -70,6 +75,7 @@ LL | match_empty!(NonEmptyEnum1::Foo(true)); | ^^^^^^^^^^^^^^^^^^^^^^^^ pattern `Foo(_)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyEnum1` error[E0004]: non-exhaustive patterns: `Foo(_)` and `Bar` not covered --> $DIR/match-empty.rs:73:18 @@ -90,6 +96,7 @@ LL | match_empty!(NonEmptyEnum2::Foo(true)); | ^^^^^^^^^^^^^^^^^^^^^^^^ patterns `Foo(_)` and `Bar` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyEnum2` error[E0004]: non-exhaustive patterns: `V1`, `V2`, `V3` and 2 more not covered --> $DIR/match-empty.rs:75:18 @@ -103,6 +110,7 @@ LL | match_empty!(NonEmptyEnum5::V1); | ^^^^^^^^^^^^^^^^^ patterns `V1`, `V2`, `V3` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyEnum5` error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/match-empty.rs:78:18 @@ -111,6 +119,7 @@ LL | match_false!(0u8); | ^^^ pattern `_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `u8` error[E0004]: non-exhaustive patterns: `NonEmptyStruct(_)` not covered --> $DIR/match-empty.rs:80:18 @@ -122,6 +131,7 @@ LL | match_false!(NonEmptyStruct(true)); | ^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyStruct(_)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyStruct` error[E0004]: non-exhaustive patterns: `NonEmptyUnion1 { .. }` not covered --> $DIR/match-empty.rs:82:18 @@ -135,6 +145,7 @@ LL | match_false!((NonEmptyUnion1 { foo: () })); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyUnion1 { .. }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyUnion1` error[E0004]: non-exhaustive patterns: `NonEmptyUnion2 { .. }` not covered --> $DIR/match-empty.rs:84:18 @@ -149,6 +160,7 @@ LL | match_false!((NonEmptyUnion2 { foo: () })); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `NonEmptyUnion2 { .. }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyUnion2` error[E0004]: non-exhaustive patterns: `Foo(_)` not covered --> $DIR/match-empty.rs:86:18 @@ -165,6 +177,7 @@ LL | match_false!(NonEmptyEnum1::Foo(true)); | ^^^^^^^^^^^^^^^^^^^^^^^^ pattern `Foo(_)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyEnum1` error[E0004]: non-exhaustive patterns: `Foo(_)` and `Bar` not covered --> $DIR/match-empty.rs:88:18 @@ -185,6 +198,7 @@ LL | match_false!(NonEmptyEnum2::Foo(true)); | ^^^^^^^^^^^^^^^^^^^^^^^^ patterns `Foo(_)` and `Bar` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyEnum2` error[E0004]: non-exhaustive patterns: `V1`, `V2`, `V3` and 2 more not covered --> $DIR/match-empty.rs:90:18 @@ -198,6 +212,7 @@ LL | match_false!(NonEmptyEnum5::V1); | ^^^^^^^^^^^^^^^^^ patterns `V1`, `V2`, `V3` and 2 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonEmptyEnum5` error: aborting due to 15 previous errors diff --git a/src/test/ui/pattern/usefulness/match-non-exhaustive.stderr b/src/test/ui/pattern/usefulness/match-non-exhaustive.stderr index 211f333882b..84cfe1da315 100644 --- a/src/test/ui/pattern/usefulness/match-non-exhaustive.stderr +++ b/src/test/ui/pattern/usefulness/match-non-exhaustive.stderr @@ -5,6 +5,7 @@ LL | match 0 { 1 => () } | ^ patterns `std::i32::MIN..=0i32` and `2i32..=std::i32::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i32` error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/match-non-exhaustive.rs:3:11 @@ -13,6 +14,7 @@ LL | match 0 { 0 if false => () } | ^ pattern `_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `i32` error: aborting due to 2 previous errors diff --git a/src/test/ui/pattern/usefulness/match-privately-empty.stderr b/src/test/ui/pattern/usefulness/match-privately-empty.stderr index 4dcbf05ecce..62e6e662fa7 100644 --- a/src/test/ui/pattern/usefulness/match-privately-empty.stderr +++ b/src/test/ui/pattern/usefulness/match-privately-empty.stderr @@ -10,6 +10,7 @@ LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), | ---- not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `std::option::Option<private::Private>` error: aborting due to previous error diff --git a/src/test/ui/pattern/usefulness/match-slice-patterns.stderr b/src/test/ui/pattern/usefulness/match-slice-patterns.stderr index 977a1128081..ba5312d2135 100644 --- a/src/test/ui/pattern/usefulness/match-slice-patterns.stderr +++ b/src/test/ui/pattern/usefulness/match-slice-patterns.stderr @@ -5,6 +5,7 @@ LL | match list { | ^^^^ pattern `&[_, Some(_), .., None, _]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[std::option::Option<()>]` error: aborting due to previous error diff --git a/src/test/ui/pattern/usefulness/non-exhaustive-defined-here.stderr b/src/test/ui/pattern/usefulness/non-exhaustive-defined-here.stderr index e5f01174ac1..29aa0c1c926 100644 --- a/src/test/ui/pattern/usefulness/non-exhaustive-defined-here.stderr +++ b/src/test/ui/pattern/usefulness/non-exhaustive-defined-here.stderr @@ -20,6 +20,7 @@ LL | match e1 { | ^^ patterns `B` and `C` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `E` error[E0005]: refutable pattern in local binding: `B` and `C` not covered --> $DIR/non-exhaustive-defined-here.rs:36:9 @@ -44,6 +45,7 @@ LL | let E::A = e; | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `E` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let E::A = e { /* */ } @@ -71,6 +73,7 @@ LL | match e { | ^ patterns `&B` and `&C` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&E` error[E0005]: refutable pattern in local binding: `&B` and `&C` not covered --> $DIR/non-exhaustive-defined-here.rs:44:9 @@ -95,6 +98,7 @@ LL | let E::A = e; | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `&E` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let E::A = e { /* */ } @@ -122,6 +126,7 @@ LL | match e { | ^ patterns `&&mut &B` and `&&mut &C` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&&mut &E` error[E0005]: refutable pattern in local binding: `&&mut &B` and `&&mut &C` not covered --> $DIR/non-exhaustive-defined-here.rs:52:9 @@ -146,6 +151,7 @@ LL | let E::A = e; | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `&&mut &E` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let E::A = e { /* */ } @@ -168,6 +174,7 @@ LL | match e { | ^ pattern `None` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Opt` error[E0005]: refutable pattern in local binding: `None` not covered --> $DIR/non-exhaustive-defined-here.rs:69:9 @@ -187,6 +194,7 @@ LL | let Opt::Some(ref _x) = e; | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `Opt` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let Opt::Some(ref _x) = e { /* */ } diff --git a/src/test/ui/pattern/usefulness/non-exhaustive-float-range-match.stderr b/src/test/ui/pattern/usefulness/non-exhaustive-float-range-match.stderr index 6de615c3de4..4835fa86cc0 100644 --- a/src/test/ui/pattern/usefulness/non-exhaustive-float-range-match.stderr +++ b/src/test/ui/pattern/usefulness/non-exhaustive-float-range-match.stderr @@ -5,6 +5,7 @@ LL | match 0.0 { | ^^^ pattern `_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `f64` error: aborting due to previous error diff --git a/src/test/ui/pattern/usefulness/non-exhaustive-match-nested.stderr b/src/test/ui/pattern/usefulness/non-exhaustive-match-nested.stderr index 72b4b522198..c9f26db6f1f 100644 --- a/src/test/ui/pattern/usefulness/non-exhaustive-match-nested.stderr +++ b/src/test/ui/pattern/usefulness/non-exhaustive-match-nested.stderr @@ -5,6 +5,7 @@ LL | match (l1, l2) { | ^^^^^^^^ pattern `(Some(&[]), Err(_))` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(std::option::Option<&[T]>, std::result::Result<&[T], ()>)` error[E0004]: non-exhaustive patterns: `A(C)` not covered --> $DIR/non-exhaustive-match-nested.rs:15:11 @@ -19,6 +20,7 @@ LL | match x { | ^ pattern `A(C)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `T` error: aborting due to 2 previous errors diff --git a/src/test/ui/pattern/usefulness/non-exhaustive-match.stderr b/src/test/ui/pattern/usefulness/non-exhaustive-match.stderr index dff2c8d9424..358ecf2f2d0 100644 --- a/src/test/ui/pattern/usefulness/non-exhaustive-match.stderr +++ b/src/test/ui/pattern/usefulness/non-exhaustive-match.stderr @@ -11,6 +11,7 @@ LL | match x { T::B => { } } | ^ pattern `A` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `T` error[E0004]: non-exhaustive patterns: `false` not covered --> $DIR/non-exhaustive-match.rs:13:11 @@ -19,6 +20,7 @@ LL | match true { | ^^^^ pattern `false` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `bool` error[E0004]: non-exhaustive patterns: `Some(_)` not covered --> $DIR/non-exhaustive-match.rs:16:11 @@ -32,6 +34,7 @@ LL | Some(#[stable(feature = "rust1", since = "1.0.0")] T), | ---- not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `std::option::Option<i32>` error[E0004]: non-exhaustive patterns: `(_, _, std::i32::MIN..=3i32)` and `(_, _, 5i32..=std::i32::MAX)` not covered --> $DIR/non-exhaustive-match.rs:19:11 @@ -40,6 +43,7 @@ LL | match (2, 3, 4) { | ^^^^^^^^^ patterns `(_, _, std::i32::MIN..=3i32)` and `(_, _, 5i32..=std::i32::MAX)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(i32, i32, i32)` error[E0004]: non-exhaustive patterns: `(A, A)` not covered --> $DIR/non-exhaustive-match.rs:23:11 @@ -48,6 +52,7 @@ LL | match (T::A, T::A) { | ^^^^^^^^^^^^ pattern `(A, A)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(T, T)` error[E0004]: non-exhaustive patterns: `B` not covered --> $DIR/non-exhaustive-match.rs:27:11 @@ -62,6 +67,7 @@ LL | match T::A { | ^^^^ pattern `B` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `T` error[E0004]: non-exhaustive patterns: `[]` not covered --> $DIR/non-exhaustive-match.rs:38:11 @@ -70,6 +76,7 @@ LL | match *vec { | ^^^^ pattern `[]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `[std::option::Option<isize>]` error[E0004]: non-exhaustive patterns: `[_, _, _, _, ..]` not covered --> $DIR/non-exhaustive-match.rs:51:11 @@ -78,6 +85,7 @@ LL | match *vec { | ^^^^ pattern `[_, _, _, _, ..]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `[f32]` error: aborting due to 8 previous errors diff --git a/src/test/ui/pattern/usefulness/non-exhaustive-pattern-witness.stderr b/src/test/ui/pattern/usefulness/non-exhaustive-pattern-witness.stderr index 2a9fa07d22f..c9ed12aae5f 100644 --- a/src/test/ui/pattern/usefulness/non-exhaustive-pattern-witness.stderr +++ b/src/test/ui/pattern/usefulness/non-exhaustive-pattern-witness.stderr @@ -11,6 +11,7 @@ LL | match (Foo { first: true, second: None }) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ pattern `Foo { first: false, second: Some([_, _, _, _]) }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Foo` error[E0004]: non-exhaustive patterns: `Red` not covered --> $DIR/non-exhaustive-pattern-witness.rs:23:11 @@ -27,6 +28,7 @@ LL | match Color::Red { | ^^^^^^^^^^ pattern `Red` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Color` error[E0004]: non-exhaustive patterns: `East`, `South` and `West` not covered --> $DIR/non-exhaustive-pattern-witness.rs:35:11 @@ -44,6 +46,7 @@ LL | match Direction::North { | ^^^^^^^^^^^^^^^^ patterns `East`, `South` and `West` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Direction` error[E0004]: non-exhaustive patterns: `Second`, `Third`, `Fourth` and 8 more not covered --> $DIR/non-exhaustive-pattern-witness.rs:46:11 @@ -57,6 +60,7 @@ LL | match ExcessiveEnum::First { | ^^^^^^^^^^^^^^^^^^^^ patterns `Second`, `Third`, `Fourth` and 8 more not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `ExcessiveEnum` error[E0004]: non-exhaustive patterns: `CustomRGBA { a: true, .. }` not covered --> $DIR/non-exhaustive-pattern-witness.rs:54:11 @@ -73,6 +77,7 @@ LL | match Color::Red { | ^^^^^^^^^^ pattern `CustomRGBA { a: true, .. }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Color` error[E0004]: non-exhaustive patterns: `[Second(true), Second(false)]` not covered --> $DIR/non-exhaustive-pattern-witness.rs:70:11 @@ -81,6 +86,7 @@ LL | match *x { | ^^ pattern `[Second(true), Second(false)]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `[Enum]` error[E0004]: non-exhaustive patterns: `((), false)` not covered --> $DIR/non-exhaustive-pattern-witness.rs:83:11 @@ -89,6 +95,7 @@ LL | match ((), false) { | ^^^^^^^^^^^ pattern `((), false)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `((), bool)` error: aborting due to 7 previous errors diff --git a/src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr b/src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr index 0cf5d9cd5f1..f5895c01599 100644 --- a/src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr +++ b/src/test/ui/pattern/usefulness/refutable-pattern-errors.stderr @@ -3,6 +3,8 @@ error[E0005]: refutable pattern in function argument: `(_, _)` not covered | LL | fn func((1, (Some(1), 2..=3)): (isize, (Option<isize>, isize))) { } | ^^^^^^^^^^^^^^^^^^^^^ pattern `(_, _)` not covered + | + = note: the matched value is of type `(isize, (std::option::Option<isize>, isize))` error[E0005]: refutable pattern in local binding: `(std::i32::MIN..=0i32, _)` and `(2i32..=std::i32::MAX, _)` not covered --> $DIR/refutable-pattern-errors.rs:7:9 @@ -12,6 +14,7 @@ LL | let (1, (Some(1), 2..=3)) = (1, (None, 2)); | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `(i32, (std::option::Option<i32>, i32))` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let (1, (Some(1), 2..=3)) = (1, (None, 2)) { /* */ } diff --git a/src/test/ui/pattern/usefulness/refutable-pattern-in-fn-arg.stderr b/src/test/ui/pattern/usefulness/refutable-pattern-in-fn-arg.stderr index 8666e6bb73e..c9d8cf43f95 100644 --- a/src/test/ui/pattern/usefulness/refutable-pattern-in-fn-arg.stderr +++ b/src/test/ui/pattern/usefulness/refutable-pattern-in-fn-arg.stderr @@ -3,6 +3,8 @@ error[E0005]: refutable pattern in function argument: `_` not covered | LL | let f = |3: isize| println!("hello"); | ^ pattern `_` not covered + | + = note: the matched value is of type `isize` error: aborting due to previous error diff --git a/src/test/ui/pattern/usefulness/slice-patterns-exhaustiveness.stderr b/src/test/ui/pattern/usefulness/slice-patterns-exhaustiveness.stderr index b3701efef3d..8b85eaeda0a 100644 --- a/src/test/ui/pattern/usefulness/slice-patterns-exhaustiveness.stderr +++ b/src/test/ui/pattern/usefulness/slice-patterns-exhaustiveness.stderr @@ -5,6 +5,7 @@ LL | match s2 { | ^^ pattern `&[false, _]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool; 2]` error[E0004]: non-exhaustive patterns: `&[false, ..]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:12:11 @@ -13,6 +14,7 @@ LL | match s3 { | ^^ pattern `&[false, ..]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool; 3]` error[E0004]: non-exhaustive patterns: `&[false, ..]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:16:11 @@ -21,6 +23,7 @@ LL | match s10 { | ^^^ pattern `&[false, ..]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool; 10]` error[E0004]: non-exhaustive patterns: `&[false, true]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:25:11 @@ -29,6 +32,7 @@ LL | match s2 { | ^^ pattern `&[false, true]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool; 2]` error[E0004]: non-exhaustive patterns: `&[false, .., true]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:30:11 @@ -37,6 +41,7 @@ LL | match s3 { | ^^ pattern `&[false, .., true]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool; 3]` error[E0004]: non-exhaustive patterns: `&[false, .., true]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:35:11 @@ -45,6 +50,7 @@ LL | match s { | ^ pattern `&[false, .., true]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool]` error[E0004]: non-exhaustive patterns: `&[_, ..]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:42:11 @@ -53,6 +59,7 @@ LL | match s { | ^ pattern `&[_, ..]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool]` error[E0004]: non-exhaustive patterns: `&[_, _, ..]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:46:11 @@ -61,6 +68,7 @@ LL | match s { | ^ pattern `&[_, _, ..]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool]` error[E0004]: non-exhaustive patterns: `&[false, ..]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:51:11 @@ -69,6 +77,7 @@ LL | match s { | ^ pattern `&[false, ..]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool]` error[E0004]: non-exhaustive patterns: `&[false, _, ..]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:56:11 @@ -77,6 +86,7 @@ LL | match s { | ^ pattern `&[false, _, ..]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool]` error[E0004]: non-exhaustive patterns: `&[_, .., false]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:62:11 @@ -85,6 +95,7 @@ LL | match s { | ^ pattern `&[_, .., false]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool]` error[E0004]: non-exhaustive patterns: `&[_, _, .., true]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:69:11 @@ -93,6 +104,7 @@ LL | match s { | ^ pattern `&[_, _, .., true]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool]` error[E0004]: non-exhaustive patterns: `&[true, _, .., _]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:76:11 @@ -101,6 +113,7 @@ LL | match s { | ^ pattern `&[true, _, .., _]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool]` error[E0004]: non-exhaustive patterns: `&[..]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:85:11 @@ -109,6 +122,7 @@ LL | match s { | ^ pattern `&[..]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool]` error[E0004]: non-exhaustive patterns: `&[true]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:89:11 @@ -117,6 +131,7 @@ LL | match s { | ^ pattern `&[true]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool]` error[E0004]: non-exhaustive patterns: `&[false]` not covered --> $DIR/slice-patterns-exhaustiveness.rs:97:11 @@ -125,6 +140,7 @@ LL | match s1 { | ^^ pattern `&[false]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[bool; 1]` error: aborting due to 16 previous errors diff --git a/src/test/ui/pattern/usefulness/struct-like-enum-nonexhaustive.stderr b/src/test/ui/pattern/usefulness/struct-like-enum-nonexhaustive.stderr index d6b5af17964..23ff6c626f7 100644 --- a/src/test/ui/pattern/usefulness/struct-like-enum-nonexhaustive.stderr +++ b/src/test/ui/pattern/usefulness/struct-like-enum-nonexhaustive.stderr @@ -12,6 +12,7 @@ LL | match x { | ^ pattern `B { x: Some(_) }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `A` error: aborting due to previous error diff --git a/src/test/ui/pattern/usefulness/tuple-struct-nonexhaustive.stderr b/src/test/ui/pattern/usefulness/tuple-struct-nonexhaustive.stderr index bbdf9ceed23..ca8f67f3c8d 100644 --- a/src/test/ui/pattern/usefulness/tuple-struct-nonexhaustive.stderr +++ b/src/test/ui/pattern/usefulness/tuple-struct-nonexhaustive.stderr @@ -8,6 +8,7 @@ LL | match x { | ^ pattern `Foo(_, _)` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `Foo` error: aborting due to previous error diff --git a/src/test/ui/precise_pointer_size_matching.stderr b/src/test/ui/precise_pointer_size_matching.stderr index 2c2c2aa04c2..91ea323f07b 100644 --- a/src/test/ui/precise_pointer_size_matching.stderr +++ b/src/test/ui/precise_pointer_size_matching.stderr @@ -5,6 +5,7 @@ LL | match 0isize { | ^^^^^^ patterns `std::isize::MIN..=-6isize` and `21isize..=std::isize::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `isize` error[E0004]: non-exhaustive patterns: `0usize` and `21usize..=std::usize::MAX` not covered --> $DIR/precise_pointer_size_matching.rs:29:11 @@ -13,6 +14,7 @@ LL | match 0usize { | ^^^^^^ patterns `0usize` and `21usize..=std::usize::MAX` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `usize` error: aborting due to 2 previous errors diff --git a/src/test/ui/recursion/recursive-types-are-not-uninhabited.stderr b/src/test/ui/recursion/recursive-types-are-not-uninhabited.stderr index f371d460cf7..d3e05498a4a 100644 --- a/src/test/ui/recursion/recursive-types-are-not-uninhabited.stderr +++ b/src/test/ui/recursion/recursive-types-are-not-uninhabited.stderr @@ -11,6 +11,7 @@ LL | Err(#[stable(feature = "rust1", since = "1.0.0")] E), | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `std::result::Result<u32, &R>` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let Ok(x) = res { /* */ } diff --git a/src/test/ui/rfc-2005-default-binding-mode/slice.stderr b/src/test/ui/rfc-2005-default-binding-mode/slice.stderr index c234fdf46ed..18d8f5481c9 100644 --- a/src/test/ui/rfc-2005-default-binding-mode/slice.stderr +++ b/src/test/ui/rfc-2005-default-binding-mode/slice.stderr @@ -5,6 +5,7 @@ LL | match sl { | ^^ pattern `&[]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[u8]` error: aborting due to previous error diff --git a/src/test/ui/rfc-2008-non-exhaustive/enum.stderr b/src/test/ui/rfc-2008-non-exhaustive/enum.stderr index a2bdcbaa447..28e450336f5 100644 --- a/src/test/ui/rfc-2008-non-exhaustive/enum.stderr +++ b/src/test/ui/rfc-2008-non-exhaustive/enum.stderr @@ -5,6 +5,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `enums::EmptyNonExhaustiveEnum` error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/enum.rs:16:11 @@ -13,6 +14,7 @@ LL | match enum_unit { | ^^^^^^^^^ pattern `_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `enums::NonExhaustiveEnum` error[E0004]: non-exhaustive patterns: `_` not covered --> $DIR/enum.rs:23:11 @@ -21,6 +23,7 @@ LL | match enum_unit {}; | ^^^^^^^^^ pattern `_` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `enums::NonExhaustiveEnum` error: aborting due to 3 previous errors diff --git a/src/test/ui/rfc-2008-non-exhaustive/enum_same_crate_empty_match.stderr b/src/test/ui/rfc-2008-non-exhaustive/enum_same_crate_empty_match.stderr index a99a690bc9e..752b08b2b65 100644 --- a/src/test/ui/rfc-2008-non-exhaustive/enum_same_crate_empty_match.stderr +++ b/src/test/ui/rfc-2008-non-exhaustive/enum_same_crate_empty_match.stderr @@ -18,6 +18,7 @@ LL | match NonExhaustiveEnum::Unit {} | ^^^^^^^^^^^^^^^^^^^^^^^ patterns `Unit`, `Tuple(_)` and `Struct { .. }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NonExhaustiveEnum` error[E0004]: non-exhaustive patterns: `Unit`, `Tuple(_)` and `Struct { .. }` not covered --> $DIR/enum_same_crate_empty_match.rs:35:11 @@ -39,6 +40,7 @@ LL | match NormalEnum::Unit {} | ^^^^^^^^^^^^^^^^ patterns `Unit`, `Tuple(_)` and `Struct { .. }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `NormalEnum` error: aborting due to 2 previous errors diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match.stderr index abca542373f..bd136333b76 100644 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match.stderr +++ b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match.stderr @@ -5,6 +5,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::IndirectUninhabitedEnum` error[E0004]: non-exhaustive patterns: type `uninhabited::IndirectUninhabitedStruct` is non-empty --> $DIR/indirect_match.rs:23:11 @@ -13,6 +14,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::IndirectUninhabitedStruct` error[E0004]: non-exhaustive patterns: type `uninhabited::IndirectUninhabitedTupleStruct` is non-empty --> $DIR/indirect_match.rs:27:11 @@ -21,6 +23,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::IndirectUninhabitedTupleStruct` error[E0004]: non-exhaustive patterns: type `uninhabited::IndirectUninhabitedVariants` is non-empty --> $DIR/indirect_match.rs:33:11 @@ -29,6 +32,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::IndirectUninhabitedVariants` error: aborting due to 4 previous errors diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_same_crate.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_same_crate.stderr index 989cb791a41..42bf67c0a45 100644 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_same_crate.stderr +++ b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_same_crate.stderr @@ -8,6 +8,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `IndirectUninhabitedEnum` error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedStruct` is non-empty --> $DIR/indirect_match_same_crate.rs:38:11 @@ -19,6 +20,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `IndirectUninhabitedStruct` error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedTupleStruct` is non-empty --> $DIR/indirect_match_same_crate.rs:42:11 @@ -30,6 +32,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `IndirectUninhabitedTupleStruct` error[E0004]: non-exhaustive patterns: type `IndirectUninhabitedVariants` is non-empty --> $DIR/indirect_match_same_crate.rs:48:11 @@ -41,6 +44,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `IndirectUninhabitedVariants` error: aborting due to 4 previous errors diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns.stderr index 17a8d010072..5211b577264 100644 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns.stderr +++ b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/indirect_match_with_exhaustive_patterns.stderr @@ -5,6 +5,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::IndirectUninhabitedEnum` error[E0004]: non-exhaustive patterns: type `uninhabited::IndirectUninhabitedStruct` is non-empty --> $DIR/indirect_match_with_exhaustive_patterns.rs:27:11 @@ -13,6 +14,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::IndirectUninhabitedStruct` error[E0004]: non-exhaustive patterns: type `uninhabited::IndirectUninhabitedTupleStruct` is non-empty --> $DIR/indirect_match_with_exhaustive_patterns.rs:31:11 @@ -21,6 +23,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::IndirectUninhabitedTupleStruct` error[E0004]: non-exhaustive patterns: type `uninhabited::IndirectUninhabitedVariants` is non-empty --> $DIR/indirect_match_with_exhaustive_patterns.rs:37:11 @@ -29,6 +32,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::IndirectUninhabitedVariants` error: aborting due to 4 previous errors diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match.stderr index a214a652a38..961b3e56732 100644 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match.stderr +++ b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match.stderr @@ -5,6 +5,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::UninhabitedEnum` error[E0004]: non-exhaustive patterns: type `uninhabited::UninhabitedStruct` is non-empty --> $DIR/match.rs:23:11 @@ -13,6 +14,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::UninhabitedStruct` error[E0004]: non-exhaustive patterns: type `uninhabited::UninhabitedTupleStruct` is non-empty --> $DIR/match.rs:27:11 @@ -21,6 +23,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::UninhabitedTupleStruct` error[E0004]: non-exhaustive patterns: `Tuple(_)` and `Struct { .. }` not covered --> $DIR/match.rs:31:11 @@ -36,6 +39,7 @@ LL | #[non_exhaustive] Struct { x: ! } | ------ not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::UninhabitedVariants` error: aborting due to 4 previous errors diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_same_crate.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_same_crate.stderr index 858aae58576..e4d0c7022f3 100644 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_same_crate.stderr +++ b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_same_crate.stderr @@ -10,6 +10,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `UninhabitedStruct` error[E0004]: non-exhaustive patterns: type `UninhabitedTupleStruct` is non-empty --> $DIR/match_same_crate.rs:34:11 @@ -21,6 +22,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `UninhabitedTupleStruct` error[E0004]: non-exhaustive patterns: `Tuple(_)` and `Struct { .. }` not covered --> $DIR/match_same_crate.rs:38:11 @@ -37,6 +39,7 @@ LL | match x {} | ^ patterns `Tuple(_)` and `Struct { .. }` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `UninhabitedVariants` error: aborting due to 3 previous errors diff --git a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.stderr b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.stderr index 63564e9c3cc..c489edeb699 100644 --- a/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.stderr +++ b/src/test/ui/rfc-2008-non-exhaustive/uninhabited/match_with_exhaustive_patterns.stderr @@ -5,6 +5,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::UninhabitedEnum` error[E0004]: non-exhaustive patterns: type `uninhabited::UninhabitedStruct` is non-empty --> $DIR/match_with_exhaustive_patterns.rs:26:11 @@ -13,6 +14,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::UninhabitedStruct` error[E0004]: non-exhaustive patterns: type `uninhabited::UninhabitedTupleStruct` is non-empty --> $DIR/match_with_exhaustive_patterns.rs:30:11 @@ -21,6 +23,7 @@ LL | match x {} | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::UninhabitedTupleStruct` error[E0004]: non-exhaustive patterns: `Tuple(_)` and `Struct { .. }` not covered --> $DIR/match_with_exhaustive_patterns.rs:34:11 @@ -36,6 +39,7 @@ LL | #[non_exhaustive] Struct { x: ! } | ------ not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `uninhabited::UninhabitedVariants` error: aborting due to 4 previous errors diff --git a/src/test/ui/suggestions/const-pat-non-exaustive-let-new-var.stderr b/src/test/ui/suggestions/const-pat-non-exaustive-let-new-var.stderr index fc17199bf91..1512eac7667 100644 --- a/src/test/ui/suggestions/const-pat-non-exaustive-let-new-var.stderr +++ b/src/test/ui/suggestions/const-pat-non-exaustive-let-new-var.stderr @@ -9,6 +9,8 @@ LL | let A = 3; ... LL | const A: i32 = 2; | ----------------- constant defined here + | + = note: the matched value is of type `i32` error: aborting due to previous error diff --git a/src/test/ui/uninhabited/uninhabited-irrefutable.stderr b/src/test/ui/uninhabited/uninhabited-irrefutable.stderr index 26e1be34ea7..e1ff38f3057 100644 --- a/src/test/ui/uninhabited/uninhabited-irrefutable.stderr +++ b/src/test/ui/uninhabited/uninhabited-irrefutable.stderr @@ -15,6 +15,7 @@ LL | let Foo::D(_y) = x; | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `Foo` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let Foo::D(_y) = x { /* */ } diff --git a/src/test/ui/uninhabited/uninhabited-matches-feature-gated.stderr b/src/test/ui/uninhabited/uninhabited-matches-feature-gated.stderr index 9245e293caa..bfe37b5029c 100644 --- a/src/test/ui/uninhabited/uninhabited-matches-feature-gated.stderr +++ b/src/test/ui/uninhabited/uninhabited-matches-feature-gated.stderr @@ -10,6 +10,7 @@ LL | Err(#[stable(feature = "rust1", since = "1.0.0")] E), | --- not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `std::result::Result<u32, &Void>` error[E0004]: non-exhaustive patterns: type `&Void` is non-empty --> $DIR/uninhabited-matches-feature-gated.rs:20:19 @@ -21,6 +22,7 @@ LL | let _ = match x {}; | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&Void` error[E0004]: non-exhaustive patterns: type `(Void,)` is non-empty --> $DIR/uninhabited-matches-feature-gated.rs:23:19 @@ -29,6 +31,7 @@ LL | let _ = match x {}; | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `(Void,)` error[E0004]: non-exhaustive patterns: type `[Void; 1]` is non-empty --> $DIR/uninhabited-matches-feature-gated.rs:26:19 @@ -37,6 +40,7 @@ LL | let _ = match x {}; | ^ | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `[Void; 1]` error[E0004]: non-exhaustive patterns: `&[_, ..]` not covered --> $DIR/uninhabited-matches-feature-gated.rs:29:19 @@ -45,6 +49,7 @@ LL | let _ = match x { | ^ pattern `&[_, ..]` not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `&[Void]` error[E0004]: non-exhaustive patterns: `Err(_)` not covered --> $DIR/uninhabited-matches-feature-gated.rs:37:19 @@ -58,6 +63,7 @@ LL | Err(#[stable(feature = "rust1", since = "1.0.0")] E), | --- not covered | = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms + = note: the matched value is of type `std::result::Result<u32, Void>` error[E0005]: refutable pattern in local binding: `Err(_)` not covered --> $DIR/uninhabited-matches-feature-gated.rs:42:9 @@ -72,6 +78,7 @@ LL | Err(#[stable(feature = "rust1", since = "1.0.0")] E), | = note: `let` bindings require an "irrefutable pattern", like a `struct` or an `enum` with only one variant = note: for more information, visit https://doc.rust-lang.org/book/ch18-02-refutability.html + = note: the matched value is of type `std::result::Result<u32, Void>` help: you might want to use `if let` to ignore the variant that isn't matched | LL | if let Ok(x) = x { /* */ } |