diff options
Diffstat (limited to 'tests')
22 files changed, 396 insertions, 86 deletions
diff --git a/tests/ui/generic-const-items/const-trait-impl.rs b/tests/ui/generic-const-items/const-trait-impl.rs index d30f7af170d..43cdf818c46 100644 --- a/tests/ui/generic-const-items/const-trait-impl.rs +++ b/tests/ui/generic-const-items/const-trait-impl.rs @@ -7,8 +7,8 @@ #![allow(incomplete_features)] #![crate_type = "lib"] -// FIXME(generic_const_items): Interpret `~const` as always-const. -const CREATE<T: ~const Create>: T = T::create(); +// FIXME(generic_const_items, effects): Introduce `const` bounds to make this work. +const CREATE<T: Create>: T = T::create(); pub const K0: i32 = CREATE::<i32>; pub const K1: i32 = CREATE; // arg inferred diff --git a/tests/ui/generic-const-items/const-trait-impl.stderr b/tests/ui/generic-const-items/const-trait-impl.stderr index 34360c581d5..64aa8adf8a7 100644 --- a/tests/ui/generic-const-items/const-trait-impl.stderr +++ b/tests/ui/generic-const-items/const-trait-impl.stderr @@ -1,8 +1,8 @@ error[E0015]: cannot call non-const fn `<T as Create>::create` in constants - --> $DIR/const-trait-impl.rs:11:37 + --> $DIR/const-trait-impl.rs:11:30 | -LL | const CREATE<T: ~const Create>: T = T::create(); - | ^^^^^^^^^^^ +LL | const CREATE<T: Create>: T = T::create(); + | ^^^^^^^^^^^ | = note: calls in constants are limited to constant functions, tuple structs and tuple variants diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/assoc-type-const-bound-usage.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/assoc-type-const-bound-usage.stderr index 6d436018bf4..e6b663c47d7 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/assoc-type-const-bound-usage.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/assoc-type-const-bound-usage.stderr @@ -1,3 +1,11 @@ +error: `~const` is not allowed here + --> $DIR/assoc-type-const-bound-usage.rs:7:17 + | +LL | type Assoc: ~const Foo; + | ^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + error[E0308]: mismatched types --> $DIR/assoc-type-const-bound-usage.rs:12:5 | @@ -7,6 +15,6 @@ LL | <T as Foo>::Assoc::foo(); = note: expected constant `host` found constant `true` -error: aborting due to previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/assoc-type.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/assoc-type.stderr index 0cffae1da8d..7df16ca5a3b 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/assoc-type.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/assoc-type.stderr @@ -1,8 +1,16 @@ +error: `~const` is not allowed here + --> $DIR/assoc-type.rs:17:15 + | +LL | type Bar: ~const std::ops::Add; + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + error: ~const can only be applied to `#[const_trait]` traits --> $DIR/assoc-type.rs:17:22 | LL | type Bar: ~const std::ops::Add; | ^^^^^^^^^^^^^ -error: aborting due to previous error +error: aborting due to 2 previous errors diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const-bound-on-not-const-associated-fn.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-bound-on-not-const-associated-fn.rs index 1e22ddcea8d..0025449c492 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const-bound-on-not-const-associated-fn.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-bound-on-not-const-associated-fn.rs @@ -1,4 +1,4 @@ -#![feature(const_trait_impl, effects)] +#![feature(const_trait_impl)] #[const_trait] trait MyTrait { diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const-bound-on-not-const-associated-fn.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-bound-on-not-const-associated-fn.stderr index 9210f642706..9210f642706 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/effects/const-bound-on-not-const-associated-fn.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-bound-on-not-const-associated-fn.stderr diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.precise.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.precise.stderr index 23e36887025..be75e852e0a 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.precise.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.precise.stderr @@ -1,19 +1,10 @@ -error[E0493]: destructor of `T` cannot be evaluated at compile-time - --> $DIR/const-drop.rs:19:32 +error: `~const` is not allowed here + --> $DIR/const-drop.rs:67:38 | -LL | const fn a<T: ~const Destruct>(_: T) {} - | ^ - value is dropped here - | | - | the destructor for this type cannot be evaluated in constant functions - -error[E0493]: destructor of `S<'_>` cannot be evaluated at compile-time - --> $DIR/const-drop.rs:24:13 +LL | pub struct ConstDropWithBound<T: ~const SomeTrait>(pub core::marker::PhantomData<T>); + | ^^^^^^^^^^^^^^^^ | -LL | let _ = S(&mut c); - | ^^^^^^^^^- value is dropped here - | | - | the destructor for this type cannot be evaluated in constant functions + = note: this item cannot have `~const` trait bounds -error: aborting due to 2 previous errors +error: aborting due to previous error -For more information about this error, try `rustc --explain E0493`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.rs index 0a9cf638a2d..9da84cdb052 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.rs @@ -63,6 +63,7 @@ mod t { fn foo() {} } + // FIXME(effects): This should be a `const` bound instead of a `~const` one. pub struct ConstDropWithBound<T: ~const SomeTrait>(pub core::marker::PhantomData<T>); impl<T: ~const SomeTrait> const Drop for ConstDropWithBound<T> { diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.stock.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.stock.stderr index 23e36887025..be75e852e0a 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.stock.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/const-drop.stock.stderr @@ -1,19 +1,10 @@ -error[E0493]: destructor of `T` cannot be evaluated at compile-time - --> $DIR/const-drop.rs:19:32 +error: `~const` is not allowed here + --> $DIR/const-drop.rs:67:38 | -LL | const fn a<T: ~const Destruct>(_: T) {} - | ^ - value is dropped here - | | - | the destructor for this type cannot be evaluated in constant functions - -error[E0493]: destructor of `S<'_>` cannot be evaluated at compile-time - --> $DIR/const-drop.rs:24:13 +LL | pub struct ConstDropWithBound<T: ~const SomeTrait>(pub core::marker::PhantomData<T>); + | ^^^^^^^^^^^^^^^^ | -LL | let _ = S(&mut c); - | ^^^^^^^^^- value is dropped here - | | - | the destructor for this type cannot be evaluated in constant functions + = note: this item cannot have `~const` trait bounds -error: aborting due to 2 previous errors +error: aborting due to previous error -For more information about this error, try `rustc --explain E0493`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/issue-90052.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/issue-90052.rs deleted file mode 100644 index 21ddf4ab4e5..00000000000 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/issue-90052.rs +++ /dev/null @@ -1,9 +0,0 @@ -#![feature(const_trait_impl)] - -#[const_trait] -trait Bar {} - -fn foo<T>() where T: ~const Bar {} -//~^ ERROR `~const` is not allowed - -fn main() {} diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/issue-90052.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/issue-90052.stderr deleted file mode 100644 index b2a9365378b..00000000000 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/issue-90052.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: `~const` is not allowed here - --> $DIR/issue-90052.rs:6:22 - | -LL | fn foo<T>() where T: ~const Bar {} - | ^^^^^^^^^^ - | -note: this function is not `const`, so it cannot have `~const` trait bounds - --> $DIR/issue-90052.rs:6:4 - | -LL | fn foo<T>() where T: ~const Bar {} - | ^^^ - -error: aborting due to previous error - diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/const-default-bound-non-const-specialized-bound.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/const-default-bound-non-const-specialized-bound.rs index 3db59631ef8..234b0dd0063 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/const-default-bound-non-const-specialized-bound.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/specialization/const-default-bound-non-const-specialized-bound.rs @@ -18,11 +18,7 @@ trait Bar { fn bar(); } -// bgr360: I was only able to exercise the code path that raises the -// "missing ~const qualifier" error by making this base impl non-const, even -// though that doesn't really make sense to do. As seen below, if the base impl -// is made const, rustc fails earlier with an overlapping impl failure. -impl<T> Bar for T +impl<T> const Bar for T where T: ~const Foo, { diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.nn.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.nn.stderr index b60399c57dc..204f0f9f89f 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.nn.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.nn.stderr @@ -1,3 +1,15 @@ +error: `~const` is not allowed here + --> $DIR/super-traits-fail-2.rs:11:12 + | +LL | trait Bar: ~const Foo {} + | ^^^^^^^^^^ + | +note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds + --> $DIR/super-traits-fail-2.rs:11:1 + | +LL | trait Bar: ~const Foo {} + | ^^^^^^^^^^^^^^^^^^^^^^^^ + error: ~const can only be applied to `#[const_trait]` traits --> $DIR/super-traits-fail-2.rs:11:19 | @@ -12,5 +24,5 @@ LL | trait Bar: ~const Foo {} | = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.yn.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.yn.stderr index 5d34156a519..06330958b8e 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.yn.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-2.yn.stderr @@ -1,11 +1,14 @@ -error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions - --> $DIR/super-traits-fail-2.rs:16:7 +error: `~const` is not allowed here + --> $DIR/super-traits-fail-2.rs:11:12 | -LL | x.a(); - | ^^^ +LL | trait Bar: ~const Foo {} + | ^^^^^^^^^^ | - = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants +note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds + --> $DIR/super-traits-fail-2.rs:11:1 + | +LL | trait Bar: ~const Foo {} + | ^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error -For more information about this error, try `rustc --explain E0015`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.nn.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.nn.stderr index eb12a236d8c..77b13a351e2 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.nn.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.nn.stderr @@ -1,3 +1,15 @@ +error: `~const` is not allowed here + --> $DIR/super-traits-fail-3.rs:13:12 + | +LL | trait Bar: ~const Foo {} + | ^^^^^^^^^^ + | +note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds + --> $DIR/super-traits-fail-3.rs:13:1 + | +LL | trait Bar: ~const Foo {} + | ^^^^^^^^^^^^^^^^^^^^^^^^ + error: ~const can only be applied to `#[const_trait]` traits --> $DIR/super-traits-fail-3.rs:13:19 | @@ -13,10 +25,10 @@ LL | trait Bar: ~const Foo {} = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error: ~const can only be applied to `#[const_trait]` traits - --> $DIR/super-traits-fail-3.rs:17:24 + --> $DIR/super-traits-fail-3.rs:18:24 | LL | const fn foo<T: ~const Bar>(x: &T) { | ^^^ -error: aborting due to 3 previous errors +error: aborting due to 4 previous errors diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.rs index 16c592830d7..5994057b2db 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.rs @@ -13,6 +13,7 @@ trait Foo { trait Bar: ~const Foo {} //[ny,nn]~^ ERROR: ~const can only be applied to `#[const_trait]` //[ny,nn]~| ERROR: ~const can only be applied to `#[const_trait]` +//[yn,nn]~^^^ ERROR: `~const` is not allowed here const fn foo<T: ~const Bar>(x: &T) { //[yn,nn]~^ ERROR: ~const can only be applied to `#[const_trait]` diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.yn.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.yn.stderr index 58225b94591..2e41eb9b4c4 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.yn.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.yn.stderr @@ -1,8 +1,20 @@ +error: `~const` is not allowed here + --> $DIR/super-traits-fail-3.rs:13:12 + | +LL | trait Bar: ~const Foo {} + | ^^^^^^^^^^ + | +note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds + --> $DIR/super-traits-fail-3.rs:13:1 + | +LL | trait Bar: ~const Foo {} + | ^^^^^^^^^^^^^^^^^^^^^^^^ + error: ~const can only be applied to `#[const_trait]` traits - --> $DIR/super-traits-fail-3.rs:17:24 + --> $DIR/super-traits-fail-3.rs:18:24 | LL | const fn foo<T: ~const Bar>(x: &T) { | ^^^ -error: aborting due to previous error +error: aborting due to 2 previous errors diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.yy.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.yy.stderr index 6bc643e6871..d81d9aa94da 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.yy.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/super-traits-fail-3.yy.stderr @@ -1,5 +1,5 @@ error[E0015]: cannot call non-const fn `<T as Foo>::a` in constant functions - --> $DIR/super-traits-fail-3.rs:19:7 + --> $DIR/super-traits-fail-3.rs:20:7 | LL | x.a(); | ^^^ diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.rs index 95f7aaba0fc..bbe1194f7a3 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.rs +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.rs @@ -1,7 +1,55 @@ #![feature(const_trait_impl)] -#![feature(associated_type_bounds)] -struct TildeQuestion<T: ~const ?Sized>(std::marker::PhantomData<T>); -//~^ ERROR `~const` and `?` are mutually exclusive +#[const_trait] +trait Trait {} + +// Regression test for issue #90052. +fn non_const_function<T: ~const Trait>() {} //~ ERROR `~const` is not allowed + +struct Struct<T: ~const Trait> { field: T } //~ ERROR `~const` is not allowed here +struct TupleStruct<T: ~const Trait>(T); //~ ERROR `~const` is not allowed here +struct UnitStruct<T: ~const Trait>; //~ ERROR `~const` is not allowed here + +enum Enum<T: ~const Trait> { Variant(T) } //~ ERROR `~const` is not allowed here + +union Union<T: ~const Trait> { field: T } //~ ERROR `~const` is not allowed here + +type Type<T: ~const Trait> = T; //~ ERROR `~const` is not allowed here + +const CONSTANT<T: ~const Trait>: () = (); //~ ERROR `~const` is not allowed here +//~^ ERROR generic const items are experimental + +trait NonConstTrait { + type Type<T: ~const Trait>: ~const Trait; + //~^ ERROR `~const` is not allowed + //~| ERROR `~const` is not allowed + fn non_const_function<T: ~const Trait>(); //~ ERROR `~const` is not allowed + const CONSTANT<T: ~const Trait>: (); //~ ERROR `~const` is not allowed + //~^ ERROR generic const items are experimental +} + +impl NonConstTrait for () { + type Type<T: ~const Trait> = (); //~ ERROR `~const` is not allowed + fn non_const_function<T: ~const Trait>() {} //~ ERROR `~const` is not allowed + const CONSTANT<T: ~const Trait>: () = (); //~ ERROR `~const` is not allowed + //~^ ERROR generic const items are experimental +} + +struct Implementor; + +impl Implementor { + type Type<T: ~const Trait> = (); //~ ERROR `~const` is not allowed + //~^ ERROR inherent associated types are unstable + fn non_const_function<T: ~const Trait>() {} //~ ERROR `~const` is not allowed + const CONSTANT<T: ~const Trait>: () = (); //~ ERROR `~const` is not allowed + //~^ ERROR generic const items are experimental +} + +// non-const traits +trait Child0: ~const Trait {} //~ ERROR `~const` is not allowed +trait Child1 where Self: ~const Trait {} //~ ERROR `~const` is not allowed + +// non-const impl +impl<T: ~const Trait> Trait for T {} //~ ERROR `~const` is not allowed fn main() {} diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.stderr index d20f146df3f..c14f9a99035 100644 --- a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.stderr +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-invalid-places.stderr @@ -1,8 +1,244 @@ -error: `~const` and `?` are mutually exclusive - --> $DIR/tilde-const-invalid-places.rs:4:25 +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:7:26 | -LL | struct TildeQuestion<T: ~const ?Sized>(std::marker::PhantomData<T>); - | ^^^^^^^^^^^^^ +LL | fn non_const_function<T: ~const Trait>() {} + | ^^^^^^^^^^^^ + | +note: this function is not `const`, so it cannot have `~const` trait bounds + --> $DIR/tilde-const-invalid-places.rs:7:4 + | +LL | fn non_const_function<T: ~const Trait>() {} + | ^^^^^^^^^^^^^^^^^^ + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:9:18 + | +LL | struct Struct<T: ~const Trait> { field: T } + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:10:23 + | +LL | struct TupleStruct<T: ~const Trait>(T); + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:11:22 + | +LL | struct UnitStruct<T: ~const Trait>; + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:13:14 + | +LL | enum Enum<T: ~const Trait> { Variant(T) } + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:15:16 + | +LL | union Union<T: ~const Trait> { field: T } + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:17:14 + | +LL | type Type<T: ~const Trait> = T; + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:19:19 + | +LL | const CONSTANT<T: ~const Trait>: () = (); + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:23:18 + | +LL | type Type<T: ~const Trait>: ~const Trait; + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:23:33 + | +LL | type Type<T: ~const Trait>: ~const Trait; + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:26:30 + | +LL | fn non_const_function<T: ~const Trait>(); + | ^^^^^^^^^^^^ + | +note: this function is not `const`, so it cannot have `~const` trait bounds + --> $DIR/tilde-const-invalid-places.rs:26:8 + | +LL | fn non_const_function<T: ~const Trait>(); + | ^^^^^^^^^^^^^^^^^^ + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:27:23 + | +LL | const CONSTANT<T: ~const Trait>: (); + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:32:18 + | +LL | type Type<T: ~const Trait> = (); + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:33:30 + | +LL | fn non_const_function<T: ~const Trait>() {} + | ^^^^^^^^^^^^ + | +note: this function is not `const`, so it cannot have `~const` trait bounds + --> $DIR/tilde-const-invalid-places.rs:33:8 + | +LL | fn non_const_function<T: ~const Trait>() {} + | ^^^^^^^^^^^^^^^^^^ + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:34:23 + | +LL | const CONSTANT<T: ~const Trait>: () = (); + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:41:18 + | +LL | type Type<T: ~const Trait> = (); + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:43:30 + | +LL | fn non_const_function<T: ~const Trait>() {} + | ^^^^^^^^^^^^ + | +note: this function is not `const`, so it cannot have `~const` trait bounds + --> $DIR/tilde-const-invalid-places.rs:43:8 + | +LL | fn non_const_function<T: ~const Trait>() {} + | ^^^^^^^^^^^^^^^^^^ + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:44:23 + | +LL | const CONSTANT<T: ~const Trait>: () = (); + | ^^^^^^^^^^^^ + | + = note: this item cannot have `~const` trait bounds + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:49:15 + | +LL | trait Child0: ~const Trait {} + | ^^^^^^^^^^^^ + | +note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds + --> $DIR/tilde-const-invalid-places.rs:49:1 + | +LL | trait Child0: ~const Trait {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:50:26 + | +LL | trait Child1 where Self: ~const Trait {} + | ^^^^^^^^^^^^ + | +note: this trait is not a `#[const_trait]`, so it cannot have `~const` trait bounds + --> $DIR/tilde-const-invalid-places.rs:50:1 + | +LL | trait Child1 where Self: ~const Trait {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `~const` is not allowed here + --> $DIR/tilde-const-invalid-places.rs:53:9 + | +LL | impl<T: ~const Trait> Trait for T {} + | ^^^^^^^^^^^^ + | +note: this impl is not `const`, so it cannot have `~const` trait bounds + --> $DIR/tilde-const-invalid-places.rs:53:1 + | +LL | impl<T: ~const Trait> Trait for T {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error[E0658]: generic const items are experimental + --> $DIR/tilde-const-invalid-places.rs:19:15 + | +LL | const CONSTANT<T: ~const Trait>: () = (); + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #113521 <https://github.com/rust-lang/rust/issues/113521> for more information + = help: add `#![feature(generic_const_items)]` to the crate attributes to enable + +error[E0658]: generic const items are experimental + --> $DIR/tilde-const-invalid-places.rs:27:19 + | +LL | const CONSTANT<T: ~const Trait>: (); + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #113521 <https://github.com/rust-lang/rust/issues/113521> for more information + = help: add `#![feature(generic_const_items)]` to the crate attributes to enable + +error[E0658]: generic const items are experimental + --> $DIR/tilde-const-invalid-places.rs:34:19 + | +LL | const CONSTANT<T: ~const Trait>: () = (); + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #113521 <https://github.com/rust-lang/rust/issues/113521> for more information + = help: add `#![feature(generic_const_items)]` to the crate attributes to enable + +error[E0658]: generic const items are experimental + --> $DIR/tilde-const-invalid-places.rs:44:19 + | +LL | const CONSTANT<T: ~const Trait>: () = (); + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #113521 <https://github.com/rust-lang/rust/issues/113521> for more information + = help: add `#![feature(generic_const_items)]` to the crate attributes to enable + +error[E0658]: inherent associated types are unstable + --> $DIR/tilde-const-invalid-places.rs:41:5 + | +LL | type Type<T: ~const Trait> = (); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #8995 <https://github.com/rust-lang/rust/issues/8995> for more information + = help: add `#![feature(inherent_associated_types)]` to the crate attributes to enable -error: aborting due to previous error +error: aborting due to 26 previous errors +For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-maybe-trait.rs b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-maybe-trait.rs new file mode 100644 index 00000000000..ed911d965d6 --- /dev/null +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-maybe-trait.rs @@ -0,0 +1,6 @@ +#![feature(const_trait_impl)] + +const fn tilde_question<T: ~const ?Sized>() {} +//~^ ERROR `~const` and `?` are mutually exclusive + +fn main() {} diff --git a/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-maybe-trait.stderr b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-maybe-trait.stderr new file mode 100644 index 00000000000..ce74ff8dde7 --- /dev/null +++ b/tests/ui/rfcs/rfc-2632-const-trait-impl/tilde-const-maybe-trait.stderr @@ -0,0 +1,8 @@ +error: `~const` and `?` are mutually exclusive + --> $DIR/tilde-const-maybe-trait.rs:3:28 + | +LL | const fn tilde_question<T: ~const ?Sized>() {} + | ^^^^^^^^^^^^^ + +error: aborting due to previous error + |