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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/specialization/issue-36804.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/specialization/issue-36804.rs')
-rw-r--r-- | tests/ui/specialization/issue-36804.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/specialization/issue-36804.rs b/tests/ui/specialization/issue-36804.rs new file mode 100644 index 000000000..89350602f --- /dev/null +++ b/tests/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(); +} |