= 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:155:23
+ --> $DIR/where-allowed.rs:154:23
|
LL | type InTypeAlias<R> = impl Debug;
| ^^^^^^^^^^
= 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:159:39
+ --> $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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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` not allowed outside of function and inherent method return types
+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;
| ^^^^^^^^^^
+ |
+ = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
+ = help: add `#![feature(return_position_impl_trait_in_trait)]` to the crate attributes to enable
-error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:126:34
+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 { () }
| ^^^^^^^^^^
+ |
+ = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
+ = help: add `#![feature(return_position_impl_trait_in_trait)]` to the crate attributes to enable
-error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:139:33
+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` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:142:31
+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` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:159:39
+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` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:164:16
+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` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:169:24
+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` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:174:6
+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` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:180:24
+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` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:186:11
+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` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:193:15
+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` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:200:24
+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` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:207:17
+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` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:214:22
+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` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:220:29
+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() = || {};
| ^^^^^^^^^
- |
- = help: add `#![feature(impl_trait_in_bindings)]` to the crate attributes to enable
-error[E0562]: `impl Trait` not allowed outside of function and inherent method return types
- --> $DIR/where-allowed.rs:222:46
+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: could not find defining uses
- --> $DIR/where-allowed.rs:119:16
+error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions
+ --> $DIR/where-allowed.rs:234:7
|
-LL | type Out = impl Debug;
- | ^^^^^^^^^^
+LL | impl <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>
+ = note: `#[deny(invalid_type_param_default)]` on by default
-error: could not find defining uses
- --> $DIR/where-allowed.rs:155:23
+error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions
+ --> $DIR/where-allowed.rs:241:36
|
-LL | type InTypeAlias<R> = impl Debug;
- | ^^^^^^^^^^
+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 42 previous errors
+error: aborting due to 49 previous errors
-Some errors have detailed explanations: E0562, E0658, E0666.
-For more information about an error, try `rustc --explain E0562`.
+Some errors have detailed explanations: E0118, E0562, E0658, E0666.
+For more information about an error, try `rustc --explain E0118`.
projects / rustc.git / blobdiff