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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/traits/object/vs-lifetime.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/object/vs-lifetime.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/traits/object/vs-lifetime.rs b/src/test/ui/traits/object/vs-lifetime.rs new file mode 100644 index 000000000..14ae67cff --- /dev/null +++ b/src/test/ui/traits/object/vs-lifetime.rs @@ -0,0 +1,17 @@ +// A few contrived examples where lifetime should (or should not) be parsed as an object type. +// Lifetimes parsed as types are still rejected later by semantic checks. + +struct S<'a, T>(&'a u8, T); + +fn main() { + // `'static` is a lifetime argument, `'static +` is a type argument + let _: S<'static, u8>; + let _: S<'static, dyn 'static +>; + //~^ at least one trait is required for an object type + let _: S<'static, 'static>; + //~^ ERROR this struct takes 1 lifetime argument but 2 lifetime arguments were supplied + //~| ERROR this struct takes 1 generic argument but 0 generic arguments were supplied + let _: S<dyn 'static +, 'static>; + //~^ ERROR type provided when a lifetime was expected + //~| ERROR at least one trait is required for an object type +} |