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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/issue-36804.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/issue-36804.rs')
-rw-r--r-- | src/test/ui/specialization/issue-36804.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/test/ui/specialization/issue-36804.rs b/src/test/ui/specialization/issue-36804.rs new file mode 100644 index 000000000..89350602f --- /dev/null +++ b/src/test/ui/specialization/issue-36804.rs @@ -0,0 +1,35 @@ +// check-pass +#![feature(specialization)] //~ WARN the feature `specialization` is incomplete + +pub struct Cloned<I>(I); + +impl<'a, I, T: 'a> Iterator for Cloned<I> +where + I: Iterator<Item = &'a T>, + T: Clone, +{ + type Item = T; + + fn next(&mut self) -> Option<T> { + unimplemented!() + } + + default fn count(self) -> usize where Self: Sized { + self.fold(0, |cnt, _| cnt + 1) + } +} + +impl<'a, I, T: 'a> Iterator for Cloned<I> +where + I: Iterator<Item = &'a T>, + T: Copy, +{ + fn count(self) -> usize { + unimplemented!() + } +} + +fn main() { + let a = [1,2,3,4]; + Cloned(a.iter()).count(); +} |