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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/array-slice-vec/rcvr-borrowed-to-slice.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/array-slice-vec/rcvr-borrowed-to-slice.rs')
-rw-r--r-- | src/test/ui/array-slice-vec/rcvr-borrowed-to-slice.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/ui/array-slice-vec/rcvr-borrowed-to-slice.rs b/src/test/ui/array-slice-vec/rcvr-borrowed-to-slice.rs new file mode 100644 index 000000000..17cf7e335 --- /dev/null +++ b/src/test/ui/array-slice-vec/rcvr-borrowed-to-slice.rs @@ -0,0 +1,33 @@ +// run-pass + +#![allow(non_camel_case_types)] + +trait sum { + fn sum_(self) -> isize; +} + +// Note: impl on a slice +impl<'a> sum for &'a [isize] { + fn sum_(self) -> isize { + self.iter().fold(0, |a, &b| a + b) + } +} + +fn call_sum(x: &[isize]) -> isize { x.sum_() } + +pub fn main() { + let x = vec![1, 2, 3]; + let y = call_sum(&x); + println!("y=={}", y); + assert_eq!(y, 6); + + let x = vec![1, 2, 3]; + let y = x.sum_(); + println!("y=={}", y); + assert_eq!(y, 6); + + let x = vec![1, 2, 3]; + let y = x.sum_(); + println!("y=={}", y); + assert_eq!(y, 6); +} |