diff options
Diffstat (limited to 'src/test/ui')
4 files changed, 66 insertions, 2 deletions
diff --git a/src/test/ui/issues/issue-34334.rs b/src/test/ui/issues/issue-34334.rs index 928d217441e..4457d71cbb4 100644 --- a/src/test/ui/issues/issue-34334.rs +++ b/src/test/ui/issues/issue-34334.rs @@ -5,6 +5,7 @@ fn main () { //~| ERROR mismatched types //~| ERROR invalid left-hand side expression //~| ERROR expected expression, found reserved identifier `_` + //~| ERROR expected expression, found reserved identifier `_` let sr2: Vec<(u32, _, _)> = sr.iter().map(|(faction, th_sender, th_receiver)| {}).collect(); //~^ ERROR no method named `iter` found for type `()` in the current scope } diff --git a/src/test/ui/issues/issue-34334.stderr b/src/test/ui/issues/issue-34334.stderr index e8386fd8de9..7f89caf92ab 100644 --- a/src/test/ui/issues/issue-34334.stderr +++ b/src/test/ui/issues/issue-34334.stderr @@ -4,6 +4,12 @@ error: expected expression, found reserved identifier `_` LL | let sr: Vec<(u32, _, _) = vec![]; | ^ expected expression +error: expected expression, found reserved identifier `_` + --> $DIR/issue-34334.rs:2:26 + | +LL | let sr: Vec<(u32, _, _) = vec![]; + | ^ expected expression + error: expected one of `,` or `>`, found `=` --> $DIR/issue-34334.rs:2:29 | @@ -36,12 +42,12 @@ LL | let sr: Vec<(u32, _, _) = vec![]; | ^^^^^^^^^^^^^^^^^^^^^^^^ left-hand of expression not valid error[E0599]: no method named `iter` found for type `()` in the current scope - --> $DIR/issue-34334.rs:8:36 + --> $DIR/issue-34334.rs:9:36 | LL | let sr2: Vec<(u32, _, _)> = sr.iter().map(|(faction, th_sender, th_receiver)| {}).collect(); | ^^^^ -error: aborting due to 6 previous errors +error: aborting due to 7 previous errors Some errors have detailed explanations: E0070, E0308, E0423, E0599. For more information about an error, try `rustc --explain E0070`. diff --git a/src/test/ui/suggestions/fn-or-tuple-struct-with-underscore-args.rs b/src/test/ui/suggestions/fn-or-tuple-struct-with-underscore-args.rs new file mode 100644 index 00000000000..a8ea3faefe8 --- /dev/null +++ b/src/test/ui/suggestions/fn-or-tuple-struct-with-underscore-args.rs @@ -0,0 +1,19 @@ +fn foo(a: usize, b: usize) -> usize { a } + +struct S(usize, usize); + +trait T { + fn baz(x: usize, y: usize) -> usize { x } +} + +fn main() { + let _: usize = foo(_, _); + //~^ ERROR expected expression + //~| ERROR expected expression + let _: S = S(_, _); + //~^ ERROR expected expression + //~| ERROR expected expression + let _: usize = T::baz(_, _); + //~^ ERROR expected expression + //~| ERROR expected expression +} diff --git a/src/test/ui/suggestions/fn-or-tuple-struct-with-underscore-args.stderr b/src/test/ui/suggestions/fn-or-tuple-struct-with-underscore-args.stderr new file mode 100644 index 00000000000..a6d1c4b859f --- /dev/null +++ b/src/test/ui/suggestions/fn-or-tuple-struct-with-underscore-args.stderr @@ -0,0 +1,38 @@ +error: expected expression, found reserved identifier `_` + --> $DIR/fn-or-tuple-struct-with-underscore-args.rs:10:24 + | +LL | let _: usize = foo(_, _); + | ^ expected expression + +error: expected expression, found reserved identifier `_` + --> $DIR/fn-or-tuple-struct-with-underscore-args.rs:10:27 + | +LL | let _: usize = foo(_, _); + | ^ expected expression + +error: expected expression, found reserved identifier `_` + --> $DIR/fn-or-tuple-struct-with-underscore-args.rs:13:18 + | +LL | let _: S = S(_, _); + | ^ expected expression + +error: expected expression, found reserved identifier `_` + --> $DIR/fn-or-tuple-struct-with-underscore-args.rs:13:21 + | +LL | let _: S = S(_, _); + | ^ expected expression + +error: expected expression, found reserved identifier `_` + --> $DIR/fn-or-tuple-struct-with-underscore-args.rs:16:27 + | +LL | let _: usize = T::baz(_, _); + | ^ expected expression + +error: expected expression, found reserved identifier `_` + --> $DIR/fn-or-tuple-struct-with-underscore-args.rs:16:30 + | +LL | let _: usize = T::baz(_, _); + | ^ expected expression + +error: aborting due to 6 previous errors + |