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/associated-types/associated-types-nested-projections.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/associated-types/associated-types-nested-projections.rs')
-rw-r--r-- | src/test/ui/associated-types/associated-types-nested-projections.rs | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/ui/associated-types/associated-types-nested-projections.rs b/src/test/ui/associated-types/associated-types-nested-projections.rs new file mode 100644 index 000000000..76ba74962 --- /dev/null +++ b/src/test/ui/associated-types/associated-types-nested-projections.rs @@ -0,0 +1,44 @@ +// run-pass +#![allow(unused_variables)] +// Test that we can resolve nested projection types. Issue #20666. + +// pretty-expanded FIXME #23616 + +use std::slice; + +trait Bound {} + +impl<'a> Bound for &'a i32 {} + +trait IntoIterator { + type Iter: Iterator; + + fn into_iter(self) -> Self::Iter; +} + +impl<'a, T> IntoIterator for &'a [T; 3] { + type Iter = slice::Iter<'a, T>; + + fn into_iter(self) -> slice::Iter<'a, T> { + self.iter() + } +} + +fn foo<X>(x: X) where + X: IntoIterator, + <<X as IntoIterator>::Iter as Iterator>::Item: Bound, +{ +} + +fn bar<T, I, X>(x: X) where + T: Bound, + I: Iterator<Item=T>, + X: IntoIterator<Iter=I>, +{ + +} + +fn main() { + foo(&[0, 1, 2]); + bar(&[0, 1, 2]); +} |