diff options
Diffstat (limited to 'tests/ui/const-generics/adt_const_params')
6 files changed, 59 insertions, 5 deletions
diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_bad.stderr b/tests/ui/const-generics/adt_const_params/const_param_ty_bad.stderr index de5704ee4..48910b82a 100644 --- a/tests/ui/const-generics/adt_const_params/const_param_ty_bad.stderr +++ b/tests/ui/const-generics/adt_const_params/const_param_ty_bad.stderr @@ -11,6 +11,10 @@ note: required by a bound in `check` | LL | fn check(_: impl std::marker::ConstParamTy) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check` +help: use parentheses to call this function + | +LL | check(main()); + | ++ error[E0277]: `[closure@$DIR/const_param_ty_bad.rs:8:11: 8:13]` can't be used as a const parameter type --> $DIR/const_param_ty_bad.rs:8:11 @@ -25,6 +29,10 @@ note: required by a bound in `check` | LL | fn check(_: impl std::marker::ConstParamTy) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check` +help: use parentheses to call this closure + | +LL | check(|| {}()); + | ++ error[E0277]: `fn()` can't be used as a const parameter type --> $DIR/const_param_ty_bad.rs:9:11 @@ -39,6 +47,10 @@ note: required by a bound in `check` | LL | fn check(_: impl std::marker::ConstParamTy) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check` +help: use parentheses to call this function pointer + | +LL | check(main as fn()()); + | ++ error[E0277]: `&mut ()` can't be used as a const parameter type --> $DIR/const_param_ty_bad.rs:10:11 @@ -48,11 +60,17 @@ LL | check(&mut ()); | | | required by a bound introduced by this call | + = note: `ConstParamTy` is implemented for `&()`, but not for `&mut ()` note: required by a bound in `check` --> $DIR/const_param_ty_bad.rs:4:18 | LL | fn check(_: impl std::marker::ConstParamTy) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `check` +help: consider removing the leading `&`-reference + | +LL - check(&mut ()); +LL + check(()); + | error[E0277]: `*mut ()` can't be used as a const parameter type --> $DIR/const_param_ty_bad.rs:11:11 @@ -62,6 +80,7 @@ LL | check(&mut () as *mut ()); | | | required by a bound introduced by this call | + = help: the trait `ConstParamTy` is implemented for `()` note: required by a bound in `check` --> $DIR/const_param_ty_bad.rs:4:18 | @@ -76,6 +95,7 @@ LL | check(&() as *const ()); | | | required by a bound introduced by this call | + = help: the trait `ConstParamTy` is implemented for `()` note: required by a bound in `check` --> $DIR/const_param_ty_bad.rs:4:18 | diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_good.rs b/tests/ui/const-generics/adt_const_params/const_param_ty_good.rs index 87ae83dd9..100ab332a 100644 --- a/tests/ui/const-generics/adt_const_params/const_param_ty_good.rs +++ b/tests/ui/const-generics/adt_const_params/const_param_ty_good.rs @@ -49,5 +49,7 @@ fn main() { check::<D<u8>>(); check::<D<[&[bool]; 8]>>(); - // FIXME: test tuples + check::<()>(); + check::<(i32,)>(); + check::<(D<u8>, D<i32>)>(); } diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.rs b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.rs index 37986de48..08f7c5cb5 100644 --- a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.rs +++ b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.rs @@ -9,9 +9,11 @@ struct CantParam(ImplementsConstParamTy); impl std::marker::ConstParamTy for CantParam {} //~^ error: the type `CantParam` does not `#[derive(Eq)]` +//~| error: the type `CantParam` does not `#[derive(PartialEq)]` #[derive(std::marker::ConstParamTy)] //~^ error: the type `CantParamDerive` does not `#[derive(Eq)]` +//~| error: the type `CantParamDerive` does not `#[derive(PartialEq)]` struct CantParamDerive(ImplementsConstParamTy); fn check<T: std::marker::ConstParamTy>() {} diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.stderr b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.stderr index 52701d559..43c5b96dc 100644 --- a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.stderr +++ b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_no_structural_eq.stderr @@ -1,3 +1,12 @@ +error[E0277]: the type `CantParam` does not `#[derive(PartialEq)]` + --> $DIR/const_param_ty_impl_no_structural_eq.rs:10:36 + | +LL | impl std::marker::ConstParamTy for CantParam {} + | ^^^^^^^^^ the trait `StructuralPartialEq` is not implemented for `CantParam` + | +note: required by a bound in `ConstParamTy` + --> $SRC_DIR/core/src/marker.rs:LL:COL + error[E0277]: the type `CantParam` does not `#[derive(Eq)]` --> $DIR/const_param_ty_impl_no_structural_eq.rs:10:36 | @@ -7,8 +16,18 @@ LL | impl std::marker::ConstParamTy for CantParam {} note: required by a bound in `ConstParamTy` --> $SRC_DIR/core/src/marker.rs:LL:COL +error[E0277]: the type `CantParamDerive` does not `#[derive(PartialEq)]` + --> $DIR/const_param_ty_impl_no_structural_eq.rs:14:10 + | +LL | #[derive(std::marker::ConstParamTy)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `StructuralPartialEq` is not implemented for `CantParamDerive` + | +note: required by a bound in `ConstParamTy` + --> $SRC_DIR/core/src/marker.rs:LL:COL + = note: this error originates in the derive macro `std::marker::ConstParamTy` (in Nightly builds, run with -Z macro-backtrace for more info) + error[E0277]: the type `CantParamDerive` does not `#[derive(Eq)]` - --> $DIR/const_param_ty_impl_no_structural_eq.rs:13:10 + --> $DIR/const_param_ty_impl_no_structural_eq.rs:14:10 | LL | #[derive(std::marker::ConstParamTy)] | ^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `StructuralEq` is not implemented for `CantParamDerive` @@ -17,6 +36,6 @@ note: required by a bound in `ConstParamTy` --> $SRC_DIR/core/src/marker.rs:LL:COL = note: this error originates in the derive macro `std::marker::ConstParamTy` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 2 previous errors +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs index d70377a20..c04e96c56 100644 --- a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs +++ b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.rs @@ -14,6 +14,7 @@ impl Eq for Union {} impl std::marker::StructuralEq for Union {} impl std::marker::ConstParamTy for Union {} +//~^ ERROR the type `Union` does not `#[derive(PartialEq)]` #[derive(std::marker::ConstParamTy)] //~^ ERROR this trait cannot be derived for unions diff --git a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.stderr b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.stderr index 293703046..985b933c4 100644 --- a/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.stderr +++ b/tests/ui/const-generics/adt_const_params/const_param_ty_impl_union.stderr @@ -1,8 +1,18 @@ error: this trait cannot be derived for unions - --> $DIR/const_param_ty_impl_union.rs:18:10 + --> $DIR/const_param_ty_impl_union.rs:19:10 | LL | #[derive(std::marker::ConstParamTy)] | ^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to previous error +error[E0277]: the type `Union` does not `#[derive(PartialEq)]` + --> $DIR/const_param_ty_impl_union.rs:16:36 + | +LL | impl std::marker::ConstParamTy for Union {} + | ^^^^^ the trait `StructuralPartialEq` is not implemented for `Union` + | +note: required by a bound in `ConstParamTy` + --> $SRC_DIR/core/src/marker.rs:LL:COL + +error: aborting due to 2 previous errors +For more information about this error, try `rustc --explain E0277`. |