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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:11:38 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:12:43 +0000 |
commit | cf94bdc0742c13e2a0cac864c478b8626b266e1b (patch) | |
tree | 044670aa50cc5e2b4229aa0b6b3df6676730c0a6 /src/test/ui/dyn-star/upcast.rs | |
parent | Adding debian version 1.65.0+dfsg1-2. (diff) | |
download | rustc-cf94bdc0742c13e2a0cac864c478b8626b266e1b.tar.xz rustc-cf94bdc0742c13e2a0cac864c478b8626b266e1b.zip |
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/dyn-star/upcast.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/dyn-star/upcast.rs b/src/test/ui/dyn-star/upcast.rs new file mode 100644 index 000000000..cee76ada7 --- /dev/null +++ b/src/test/ui/dyn-star/upcast.rs @@ -0,0 +1,33 @@ +// run-pass + +#![feature(dyn_star, trait_upcasting)] +#![allow(incomplete_features)] + +trait Foo: Bar { + fn hello(&self); +} + +trait Bar { + fn world(&self); +} + +struct W(usize); + +impl Foo for W { + fn hello(&self) { + println!("hello!"); + } +} + +impl Bar for W { + fn world(&self) { + println!("world!"); + } +} + +fn main() { + let w: dyn* Foo = W(0); + w.hello(); + let w: dyn* Bar = w; + w.world(); +} |