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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:03 +0000 |
commit | 64d98f8ee037282c35007b64c2649055c56af1db (patch) | |
tree | 5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /tests/ui/traits/impl.rs | |
parent | Adding debian version 1.67.1+dfsg1-1. (diff) | |
download | rustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/traits/impl.rs')
-rw-r--r-- | tests/ui/traits/impl.rs | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tests/ui/traits/impl.rs b/tests/ui/traits/impl.rs new file mode 100644 index 000000000..f512d91eb --- /dev/null +++ b/tests/ui/traits/impl.rs @@ -0,0 +1,41 @@ +// run-pass +// Test calling methods on an impl for a bare trait. + +// aux-build:traitimpl.rs + +extern crate traitimpl; +use traitimpl::Bar; + +static mut COUNT: usize = 1; + +trait T { + fn t(&self) {} +} + +impl<'a> dyn T+'a { + fn foo(&self) { + unsafe { COUNT *= 2; } + } + fn bar() { + unsafe { COUNT *= 3; } + } +} + +impl T for isize {} + +struct Foo; +impl<'a> Bar<'a> for Foo {} + +fn main() { + let x: &dyn T = &42; + + x.foo(); + <dyn T>::foo(x); + <dyn T>::bar(); + + unsafe { assert_eq!(COUNT, 12); } + + // Cross-crait case + let x: &dyn Bar = &Foo; + x.bar(); +} |