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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 |
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 |
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/for-loop-while/foreach-external-iterators-hashmap-break-restart.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'tests/ui/for-loop-while/foreach-external-iterators-hashmap-break-restart.rs')
| -rw-r--r-- | tests/ui/for-loop-while/foreach-external-iterators-hashmap-break-restart.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/ui/for-loop-while/foreach-external-iterators-hashmap-break-restart.rs b/tests/ui/for-loop-while/foreach-external-iterators-hashmap-break-restart.rs new file mode 100644 index 00000000000..5d690807e05 --- /dev/null +++ b/tests/ui/for-loop-while/foreach-external-iterators-hashmap-break-restart.rs @@ -0,0 +1,33 @@ +// run-pass + +use std::collections::HashMap; + +// This is a fancy one: it uses an external iterator established +// outside the loop, breaks, then _picks back up_ and continues +// iterating with it. + +pub fn main() { + let mut h = HashMap::new(); + let kvs = [(1, 10), (2, 20), (3, 30)]; + for &(k,v) in &kvs { + h.insert(k,v); + } + let mut x = 0; + let mut y = 0; + + let mut i = h.iter(); + + for (&k,&v) in i.by_ref() { + x += k; + y += v; + break; + } + + for (&k,&v) in i { + x += k; + y += v; + } + + assert_eq!(x, 6); + assert_eq!(y, 60); +} |
