diff options
Diffstat (limited to 'src/test/ui/impl-trait/where-allowed.rs')
| -rw-r--r-- | src/test/ui/impl-trait/where-allowed.rs | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/src/test/ui/impl-trait/where-allowed.rs b/src/test/ui/impl-trait/where-allowed.rs index c1dd46c7f..ff63b04c2 100644 --- a/src/test/ui/impl-trait/where-allowed.rs +++ b/src/test/ui/impl-trait/where-allowed.rs @@ -1,5 +1,6 @@ //! A simple test for testing many permutations of allowedness of //! impl Trait +#![feature(impl_trait_in_fn_trait_return)] use std::fmt::Debug; // Allowed @@ -39,9 +40,8 @@ fn in_dyn_Fn_return_in_parameters(_: &dyn Fn() -> impl Debug) { panic!() } 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 -// Disallowed +// Allowed fn in_dyn_Fn_return_in_return() -> &'static dyn Fn() -> impl Debug { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types // Disallowed fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() } @@ -57,9 +57,8 @@ 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 nested `impl Trait` is not allowed -// Disallowed +// Allowed fn in_impl_Fn_return_in_return() -> &'static impl Fn() -> impl Debug { panic!() } -//~^ ERROR `impl Trait` only allowed in function and inherent method return types // Disallowed fn in_Fn_parameter_in_generics<F: Fn(impl Debug)> (_: F) { panic!() } |