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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/for-loop-while/while-let.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/for-loop-while/while-let.rs')
-rw-r--r-- | src/test/ui/for-loop-while/while-let.rs | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/test/ui/for-loop-while/while-let.rs b/src/test/ui/for-loop-while/while-let.rs new file mode 100644 index 000000000..b9d70ff0b --- /dev/null +++ b/src/test/ui/for-loop-while/while-let.rs @@ -0,0 +1,46 @@ +// run-pass + +use std::collections::BinaryHeap; + +fn make_pq() -> BinaryHeap<isize> { + BinaryHeap::from(vec![1,2,3]) +} + +pub fn main() { + let mut pq = make_pq(); + let mut sum = 0; + while let Some(x) = pq.pop() { + sum += x; + } + assert_eq!(sum, 6); + + pq = make_pq(); + sum = 0; + 'a: while let Some(x) = pq.pop() { + sum += x; + if x == 2 { + break 'a; + } + } + assert_eq!(sum, 5); + + pq = make_pq(); + sum = 0; + 'a2: while let Some(x) = pq.pop() { + if x == 3 { + continue 'a2; + } + sum += x; + } + assert_eq!(sum, 3); + + let mut pq1 = make_pq(); + sum = 0; + while let Some(x) = pq1.pop() { + let mut pq2 = make_pq(); + while let Some(y) = pq2.pop() { + sum += x * y; + } + } + assert_eq!(sum, 6 + 12 + 18); +} |