diff options
Diffstat (limited to 'tests/ui/impl-trait/where-allowed.rs')
-rw-r--r-- | tests/ui/impl-trait/where-allowed.rs | 79 |
1 files changed, 39 insertions, 40 deletions
diff --git a/tests/ui/impl-trait/where-allowed.rs b/tests/ui/impl-trait/where-allowed.rs index 509d27166..158dc5ab9 100644 --- a/tests/ui/impl-trait/where-allowed.rs +++ b/tests/ui/impl-trait/where-allowed.rs @@ -16,47 +16,47 @@ fn in_adt_in_parameters(_: Vec<impl Debug>) { panic!() } // Disallowed fn in_fn_parameter_in_parameters(_: fn(impl Debug)) { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed fn in_fn_return_in_parameters(_: fn() -> impl Debug) { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed fn in_fn_parameter_in_return() -> fn(impl Debug) { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed fn in_fn_return_in_return() -> fn() -> impl Debug { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed fn in_dyn_Fn_parameter_in_parameters(_: &dyn Fn(impl Debug)) { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed fn in_dyn_Fn_return_in_parameters(_: &dyn Fn() -> impl Debug) { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed fn in_dyn_Fn_parameter_in_return() -> &'static dyn Fn(impl Debug) { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Allowed fn in_dyn_Fn_return_in_return() -> &'static dyn Fn() -> impl Debug { panic!() } // Disallowed fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types //~^^ ERROR nested `impl Trait` is not allowed // Disallowed fn in_impl_Fn_return_in_parameters(_: &impl Fn() -> impl Debug) { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types //~| ERROR nested `impl Trait` is not allowed // Allowed @@ -64,11 +64,11 @@ fn in_impl_Fn_return_in_return() -> &'static impl Fn() -> impl Debug { panic!() // Disallowed fn in_Fn_parameter_in_generics<F: Fn(impl Debug)> (_: F) { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed fn in_Fn_return_in_generics<F: Fn() -> impl Debug> (_: F) { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Allowed @@ -81,22 +81,22 @@ fn in_impl_Trait_in_return() -> impl IntoIterator<Item = impl IntoIterator> { // Disallowed struct InBraceStructField { x: impl Debug } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed struct InAdtInBraceStructField { x: Vec<impl Debug> } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed struct InTupleStructField(impl Debug); -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed enum InEnum { InBraceVariant { x: impl Debug }, - //~^ ERROR `impl Trait` only allowed in function and inherent method return types + //~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types InTupleVariant(impl Debug), - //~^ ERROR `impl Trait` only allowed in function and inherent method return types + //~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types } // Allowed @@ -104,10 +104,9 @@ trait InTraitDefnParameters { fn in_parameters(_: impl Debug); } -// Disallowed +// Allowed trait InTraitDefnReturn { fn in_return() -> impl Debug; - //~^ ERROR `impl Trait` only allowed in function and inherent method return types } // Allowed and disallowed in trait impls @@ -124,7 +123,7 @@ impl DummyTrait for () { // Allowed fn in_trait_impl_return() -> impl Debug { () } - //~^ ERROR `impl Trait` only allowed in function and inherent method return types + // Allowed } // Allowed @@ -137,10 +136,10 @@ impl DummyType { // Disallowed extern "C" { fn in_foreign_parameters(_: impl Debug); - //~^ ERROR `impl Trait` only allowed in function and inherent method return types + //~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types fn in_foreign_return() -> impl Debug; - //~^ ERROR `impl Trait` only allowed in function and inherent method return types + //~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types } // Allowed @@ -156,97 +155,97 @@ type InTypeAlias<R> = impl Debug; //~^ ERROR `impl Trait` in type aliases is unstable type InReturnInTypeAlias<R> = fn() -> impl Debug; -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types //~| ERROR `impl Trait` in type aliases is unstable // Disallowed in impl headers impl PartialEq<impl Debug> for () { - //~^ ERROR `impl Trait` only allowed in function and inherent method return types + //~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types } // Disallowed in impl headers impl PartialEq<()> for impl Debug { - //~^ ERROR `impl Trait` only allowed in function and inherent method return types + //~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types } // Disallowed in inherent impls impl impl Debug { - //~^ ERROR `impl Trait` only allowed in function and inherent method return types + //~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types } // Disallowed in inherent impls struct InInherentImplAdt<T> { t: T } impl InInherentImplAdt<impl Debug> { - //~^ ERROR `impl Trait` only allowed in function and inherent method return types + //~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types } // Disallowed in where clauses fn in_fn_where_clause() where impl Debug: Debug -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types { } // Disallowed in where clauses fn in_adt_in_fn_where_clause() where Vec<impl Debug>: Debug -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types { } // Disallowed fn in_trait_parameter_in_fn_where_clause<T>() where T: PartialEq<impl Debug> -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types { } // Disallowed fn in_Fn_parameter_in_fn_where_clause<T>() where T: Fn(impl Debug) -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types { } // Disallowed fn in_Fn_return_in_fn_where_clause<T>() where T: Fn() -> impl Debug -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types { } // Disallowed struct InStructGenericParamDefault<T = impl Debug>(T); -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed enum InEnumGenericParamDefault<T = impl Debug> { Variant(T) } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed trait InTraitGenericParamDefault<T = impl Debug> {} -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed type InTypeAliasGenericParamDefault<T = impl Debug> = T; -//~^ ERROR `impl Trait` only allowed in function and inherent method return types +//~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types // Disallowed impl <T = impl Debug> T {} //~^ ERROR defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions //~| WARNING this was previously accepted by the compiler but is being phased out -//~| ERROR `impl Trait` only allowed in function and inherent method return types +//~| ERROR `impl Trait` only allowed in function and inherent method argument and return types //~| ERROR no nominal type found // Disallowed fn in_method_generic_param_default<T = impl Debug>(_: T) {} //~^ ERROR defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions //~| WARNING this was previously accepted by the compiler but is being phased out -//~| ERROR `impl Trait` only allowed in function and inherent method return types +//~| ERROR `impl Trait` only allowed in function and inherent method argument and return types fn main() { let _in_local_variable: impl Fn() = || {}; - //~^ ERROR `impl Trait` only allowed in function and inherent method return types + //~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types let _in_return_in_local_variable = || -> impl Fn() { || {} }; - //~^ ERROR `impl Trait` only allowed in function and inherent method return types + //~^ ERROR `impl Trait` only allowed in function and inherent method argument and return types } |