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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:06:37 +0000
commit246f239d9f40f633160f0c18f87a20922d4e77bb (patch)
tree5a88572663584b3d4d28e5a20e10abab1be40884 /src/test/ui/impl-trait/in-trait/success.rs
parentReleasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff)
downloadrustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz
rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip
Merging debian version 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.rs40
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);
+}