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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:03:36 +0000 |
commit | 17d40c6057c88f4c432b0d7bac88e1b84cb7e67f (patch) | |
tree | 3f66c4a5918660bb8a758ab6cda5ff8ee4f6cdcd /src/test/ui/impl-trait/in-trait/opaque-in-impl-is-opaque.rs | |
parent | Adding upstream version 1.64.0+dfsg1. (diff) | |
download | rustc-upstream/1.65.0+dfsg1.tar.xz rustc-upstream/1.65.0+dfsg1.zip |
Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/impl-trait/in-trait/opaque-in-impl-is-opaque.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/in-trait/opaque-in-impl-is-opaque.rs b/src/test/ui/impl-trait/in-trait/opaque-in-impl-is-opaque.rs new file mode 100644 index 000000000..3ac264e8e --- /dev/null +++ b/src/test/ui/impl-trait/in-trait/opaque-in-impl-is-opaque.rs @@ -0,0 +1,19 @@ +#![feature(return_position_impl_trait_in_trait)] +#![allow(incomplete_features)] + +use std::fmt::Display; + +trait Foo { + fn bar(&self) -> impl Display; +} + +impl Foo for () { + fn bar(&self) -> impl Display { + "Hello, world" + } +} + +fn main() { + let x: &str = ().bar(); + //~^ ERROR mismatched types +} |