diff options
Diffstat (limited to 'src/test/ui/impl-trait/where-allowed.stderr')
| -rw-r--r-- | src/test/ui/impl-trait/where-allowed.stderr | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/where-allowed.stderr b/src/test/ui/impl-trait/where-allowed.stderr new file mode 100644 index 000000000..58a2f79ef --- /dev/null +++ b/src/test/ui/impl-trait/where-allowed.stderr @@ -0,0 +1,322 @@ +error[E0666]: nested `impl Trait` is not allowed + --> $DIR/where-allowed.rs:47:51 + | +LL | fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() } + | --------^^^^^^^^^^- + | | | + | | nested `impl Trait` here + | outer `impl Trait` + +error[E0666]: nested `impl Trait` is not allowed + --> $DIR/where-allowed.rs:56:57 + | +LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic!() } + | --------^^^^^^^^^^- + | | | + | | nested `impl Trait` here + | outer `impl Trait` + +error[E0658]: `impl Trait` in type aliases is unstable + --> $DIR/where-allowed.rs:119:16 + | +LL | type Out = impl Debug; + | ^^^^^^^^^^ + | + = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information + = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable + +error[E0658]: `impl Trait` in type aliases is unstable + --> $DIR/where-allowed.rs:154:23 + | +LL | type InTypeAlias<R> = impl Debug; + | ^^^^^^^^^^ + | + = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information + = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable + +error[E0658]: `impl Trait` in type aliases is unstable + --> $DIR/where-allowed.rs:157:39 + | +LL | type InReturnInTypeAlias<R> = fn() -> impl Debug; + | ^^^^^^^^^^ + | + = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information + = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer param + --> $DIR/where-allowed.rs:15:40 + | +LL | fn in_fn_parameter_in_parameters(_: fn(impl Debug)) { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return + --> $DIR/where-allowed.rs:19:42 + | +LL | fn in_fn_return_in_parameters(_: fn() -> impl Debug) { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer param + --> $DIR/where-allowed.rs:23:38 + | +LL | fn in_fn_parameter_in_return() -> fn(impl Debug) { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return + --> $DIR/where-allowed.rs:27:40 + | +LL | fn in_fn_return_in_return() -> fn() -> impl Debug { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait param + --> $DIR/where-allowed.rs:31:49 + | +LL | fn in_dyn_Fn_parameter_in_parameters(_: &dyn Fn(impl Debug)) { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return + --> $DIR/where-allowed.rs:35:51 + | +LL | fn in_dyn_Fn_return_in_parameters(_: &dyn Fn() -> impl Debug) { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait param + --> $DIR/where-allowed.rs:39:55 + | +LL | fn in_dyn_Fn_parameter_in_return() -> &'static dyn Fn(impl Debug) { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return + --> $DIR/where-allowed.rs:43:57 + | +LL | fn in_dyn_Fn_return_in_return() -> &'static dyn Fn() -> impl Debug { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait param + --> $DIR/where-allowed.rs:47:51 + | +LL | fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return + --> $DIR/where-allowed.rs:52:53 + | +LL | fn in_impl_Fn_return_in_parameters(_: &impl Fn() -> impl Debug) { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait param + --> $DIR/where-allowed.rs:56:57 + | +LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return + --> $DIR/where-allowed.rs:61:59 + | +LL | fn in_impl_Fn_return_in_return() -> &'static impl Fn() -> impl Debug { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait param + --> $DIR/where-allowed.rs:65:38 + | +LL | fn in_Fn_parameter_in_generics<F: Fn(impl Debug)> (_: F) { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return + --> $DIR/where-allowed.rs:69:40 + | +LL | fn in_Fn_return_in_generics<F: Fn() -> impl Debug> (_: F) { panic!() } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:82:32 + | +LL | struct InBraceStructField { x: impl Debug } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in path + --> $DIR/where-allowed.rs:86:41 + | +LL | struct InAdtInBraceStructField { x: Vec<impl Debug> } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:90:27 + | +LL | struct InTupleStructField(impl Debug); + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:95:25 + | +LL | InBraceVariant { x: impl Debug }, + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:97:20 + | +LL | InTupleVariant(impl Debug), + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in trait method return + --> $DIR/where-allowed.rs:108:23 + | +LL | fn in_return() -> impl Debug; + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `impl` method return + --> $DIR/where-allowed.rs:125:34 + | +LL | fn in_trait_impl_return() -> impl Debug { () } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `extern fn` param + --> $DIR/where-allowed.rs:138:33 + | +LL | fn in_foreign_parameters(_: impl Debug); + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `extern fn` return + --> $DIR/where-allowed.rs:141:31 + | +LL | fn in_foreign_return() -> impl Debug; + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return + --> $DIR/where-allowed.rs:157:39 + | +LL | type InReturnInTypeAlias<R> = fn() -> impl Debug; + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in trait + --> $DIR/where-allowed.rs:162:16 + | +LL | impl PartialEq<impl Debug> for () { + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:167:24 + | +LL | impl PartialEq<()> for impl Debug { + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:172:6 + | +LL | impl impl Debug { + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:178:24 + | +LL | impl InInherentImplAdt<impl Debug> { + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:184:11 + | +LL | where impl Debug: Debug + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:191:15 + | +LL | where Vec<impl Debug>: Debug + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in bound + --> $DIR/where-allowed.rs:198:24 + | +LL | where T: PartialEq<impl Debug> + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait param + --> $DIR/where-allowed.rs:205:17 + | +LL | where T: Fn(impl Debug) + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return + --> $DIR/where-allowed.rs:212:22 + | +LL | where T: Fn() -> impl Debug + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:218:40 + | +LL | struct InStructGenericParamDefault<T = impl Debug>(T); + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:222:36 + | +LL | enum InEnumGenericParamDefault<T = impl Debug> { Variant(T) } + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:226:38 + | +LL | trait InTraitGenericParamDefault<T = impl Debug> {} + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:230:41 + | +LL | type InTypeAliasGenericParamDefault<T = impl Debug> = T; + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:234:11 + | +LL | impl <T = impl Debug> T {} + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in type + --> $DIR/where-allowed.rs:241:40 + | +LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} + | ^^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding + --> $DIR/where-allowed.rs:247:29 + | +LL | let _in_local_variable: impl Fn() = || {}; + | ^^^^^^^^^ + +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in closure return + --> $DIR/where-allowed.rs:249:46 + | +LL | let _in_return_in_local_variable = || -> impl Fn() { || {} }; + | ^^^^^^^^^ + +error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + --> $DIR/where-allowed.rs:234:7 + | +LL | impl <T = impl Debug> T {} + | ^^^^^^^^^^^^^^ + | + = note: `#[deny(invalid_type_param_default)]` on by default + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + +error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions + --> $DIR/where-allowed.rs:241:36 + | +LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} + | ^^^^^^^^^^^^^^ + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> + +error[E0118]: no nominal type found for inherent implementation + --> $DIR/where-allowed.rs:234:23 + | +LL | impl <T = impl Debug> T {} + | ^ impl requires a nominal type + | + = note: either implement a trait on it or create a newtype to wrap it instead + +error: aborting due to 49 previous errors + +Some errors have detailed explanations: E0118, E0562, E0658, E0666. +For more information about an error, try `rustc --explain E0118`. |