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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:31 +0000 |
commit | 2ff14448863ac1a1dd9533461708e29aae170c2d (patch) | |
tree | 85b9fea2bbfe3f06473cfa381eed11f273b57c5c /src/test/ui/impl-trait/in-trait/success.rs | |
parent | Adding debian version 1.64.0+dfsg1-1. (diff) | |
download | rustc-2ff14448863ac1a1dd9533461708e29aae170c2d.tar.xz rustc-2ff14448863ac1a1dd9533461708e29aae170c2d.zip |
Adding debian version 1.65.0+dfsg1-2.debian/1.65.0+dfsg1-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/impl-trait/in-trait/success.rs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/in-trait/success.rs b/src/test/ui/impl-trait/in-trait/success.rs new file mode 100644 index 000000000..4cbe682b4 --- /dev/null +++ b/src/test/ui/impl-trait/in-trait/success.rs @@ -0,0 +1,40 @@ +// check-pass + +#![feature(return_position_impl_trait_in_trait)] +#![allow(incomplete_features)] + +use std::fmt::Display; + +trait Foo { + fn bar(&self) -> impl Display; +} + +impl Foo for i32 { + fn bar(&self) -> i32 { + *self + } +} + +impl Foo for &'static str { + fn bar(&self) -> &'static str { + *self + } +} + +struct Yay; + +impl Foo for Yay { + fn bar(&self) -> String { + String::from(":^)") + } +} + +fn foo_generically<T: Foo>(t: T) { + println!("{}", t.bar()); +} + +fn main() { + println!("{}", "Hello, world.".bar()); + println!("The answer is {}!", 42.bar()); + foo_generically(Yay); +} |