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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/specialization/default-associated-type-bound-1.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 'src/test/ui/specialization/default-associated-type-bound-1.rs')
-rw-r--r-- | src/test/ui/specialization/default-associated-type-bound-1.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/specialization/default-associated-type-bound-1.rs b/src/test/ui/specialization/default-associated-type-bound-1.rs new file mode 100644 index 000000000..c043114b5 --- /dev/null +++ b/src/test/ui/specialization/default-associated-type-bound-1.rs @@ -0,0 +1,24 @@ +// Check that we check that default associated types satisfy the required +// bounds on them. + +#![feature(specialization)] +//~^ WARNING `specialization` is incomplete + +trait X { + type U: Clone; + fn unsafe_clone(&self, x: Option<&Self::U>) { + x.cloned(); + } +} + +// We cannot normalize `<T as X>::U` to `str` here, because the default could +// be overridden. The error here must therefore be found by a method other than +// normalization. +impl<T> X for T { + default type U = str; + //~^ ERROR the trait bound `str: Clone` is not satisfied +} + +pub fn main() { + 1.unsafe_clone(None); +} |