languages/rust
languages/rust
1
0
Fork 0
mirror of https://github.com/rust-lang/rust synced 2024-10-01 22:34:35 +00:00
Code Issues Packages Projects Releases Wiki Activity

Rollup merge of #108290 - compiler-errors:rpitit-trait-default-constraint, r=oli-obk

Browse source 
Add a test for default trait method with RPITITs

This didn't work in #107013, but now that #108203 has landed, let's make sure we don't regress it.

r? types
This commit is contained in:
Dylan DPC 2023-02-21 14:20:01 +05:30 committed by GitHub
parent 270f45e172 dfc4a580f2
commit 60c0972af7
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 28 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
tests/ui/impl-trait/in-trait/default-method-constraint.rs Normal file
View file

@ -0,0 +1,17 @@
// check-pass
// This didn't work in the previous default RPITIT method hack attempt
#![feature(return_position_impl_trait_in_trait)]
//~^ WARN the feature `return_position_impl_trait_in_trait` is incomplete
trait Foo {
fn bar(x: bool) -> impl Sized {
if x {
let _: u32 = Self::bar(!x);
}
Default::default()
}
}
fn main() {}

11
tests/ui/impl-trait/in-trait/default-method-constraint.stderr Normal file
View file

@ -0,0 +1,11 @@
warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/default-method-constraint.rs:5:12
|
LL | #![feature(return_position_impl_trait_in_trait)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information
= note: `#[warn(incomplete_features)]` on by default
warning: 1 warning emitted