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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/for-loop-while/foreach-external-iterators-hashmap-break-restart.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-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.rs33
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);
+}