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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/issue-77982.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/issue-77982.rs | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/ui/traits/issue-77982.rs b/src/test/ui/traits/issue-77982.rs new file mode 100644 index 000000000..f5be6cf21 --- /dev/null +++ b/src/test/ui/traits/issue-77982.rs @@ -0,0 +1,41 @@ +use std::collections::HashMap; + +fn what() { + let descr = String::new(); + let mut opts = HashMap::<String, ()>::new(); + let opt = String::new(); + + opts.get(opt.as_ref()); //~ ERROR type annotations needed + //~^ ERROR type annotations needed +} + +fn main() { + let ips: Vec<_> = (0..100_000).map(|_| u32::from(0u32.into())).collect(); + //~^ ERROR type annotations needed +} + +trait Foo<'a, T: ?Sized> { + fn foo(&self) -> Box<T> { + todo!() + } +} + +trait Bar<'a, T: ?Sized> { + fn bar(&self) -> Box<T> { + todo!() + } +} + +impl Foo<'static, u32> for () {} +impl<'a> Foo<'a, i16> for () {} + +impl<'a> Bar<'static, u32> for &'a () {} +impl<'a> Bar<'a, i16> for &'a () {} + +fn foo() { + let _ = ().foo(); //~ ERROR type annotations needed +} + +fn bar() { + let _ = (&()).bar(); //~ ERROR type annotations needed +} |