diff options
Diffstat (limited to 'src/test/ui/for-loop-while/foreach-external-iterators-hashmap.rs')
-rw-r--r-- | src/test/ui/for-loop-while/foreach-external-iterators-hashmap.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/for-loop-while/foreach-external-iterators-hashmap.rs b/src/test/ui/for-loop-while/foreach-external-iterators-hashmap.rs new file mode 100644 index 000000000..9f2ca05cd --- /dev/null +++ b/src/test/ui/for-loop-while/foreach-external-iterators-hashmap.rs @@ -0,0 +1,19 @@ +// run-pass + +use std::collections::HashMap; + +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; + for (&k,&v) in &h { + x += k; + y += v; + } + assert_eq!(x, 6); + assert_eq!(y, 60); +} |