diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/traits/trait-upcasting/invalid-upcast.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/traits/trait-upcasting/invalid-upcast.rs | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/test/ui/traits/trait-upcasting/invalid-upcast.rs b/src/test/ui/traits/trait-upcasting/invalid-upcast.rs new file mode 100644 index 000000000..240224504 --- /dev/null +++ b/src/test/ui/traits/trait-upcasting/invalid-upcast.rs @@ -0,0 +1,87 @@ +#![feature(trait_upcasting)] +#![allow(incomplete_features)] + +trait Foo { + fn a(&self) -> i32 { + 10 + } + + fn z(&self) -> i32 { + 11 + } + + fn y(&self) -> i32 { + 12 + } +} + +trait Bar { + fn b(&self) -> i32 { + 20 + } + + fn w(&self) -> i32 { + 21 + } +} + +trait Baz { + fn c(&self) -> i32 { + 30 + } +} + +impl Foo for i32 { + fn a(&self) -> i32 { + 100 + } +} + +impl Bar for i32 { + fn b(&self) -> i32 { + 200 + } +} + +impl Baz for i32 { + fn c(&self) -> i32 { + 300 + } +} + +fn main() { + let baz: &dyn Baz = &1; + let _: &dyn std::fmt::Debug = baz; + //~^ ERROR mismatched types [E0308] + let _: &dyn Send = baz; + //~^ ERROR mismatched types [E0308] + let _: &dyn Sync = baz; + //~^ ERROR mismatched types [E0308] + + let bar: &dyn Bar = baz; + //~^ ERROR mismatched types [E0308] + let _: &dyn std::fmt::Debug = bar; + //~^ ERROR mismatched types [E0308] + let _: &dyn Send = bar; + //~^ ERROR mismatched types [E0308] + let _: &dyn Sync = bar; + //~^ ERROR mismatched types [E0308] + + let foo: &dyn Foo = baz; + //~^ ERROR mismatched types [E0308] + let _: &dyn std::fmt::Debug = foo; + //~^ ERROR mismatched types [E0308] + let _: &dyn Send = foo; + //~^ ERROR mismatched types [E0308] + let _: &dyn Sync = foo; + //~^ ERROR mismatched types [E0308] + + let foo: &dyn Foo = bar; + //~^ ERROR mismatched types [E0308] + let _: &dyn std::fmt::Debug = foo; + //~^ ERROR mismatched types [E0308] + let _: &dyn Send = foo; + //~^ ERROR mismatched types [E0308] + let _: &dyn Sync = foo; + //~^ ERROR mismatched types [E0308] +} |