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authorbors <bors@rust-lang.org>2017-07-04 15:58:24 +0000
committerbors <bors@rust-lang.org>2017-07-04 15:58:24 +0000
commit2fbba5bdbadeef403a64e9e1568cdad225cbcec1 (patch)
tree5c28e75455be93fe83569947dfe602866a56e6ed /src/liballoc/tests
parentde7f0617681fc94ecd0090d2dd2e4d70fea8f3a2 (diff)
parent9cca462ca5faf348eb8a41d85193843fd6827434 (diff)
downloadrust-2fbba5bdbadeef403a64e9e1568cdad225cbcec1.tar.gz
rust-2fbba5bdbadeef403a64e9e1568cdad225cbcec1.zip
Auto merge of #43051 - Mark-Simulacrum:rollup, r=Mark-Simulacrum
Rollup of 8 pull requests

- Successful merges: #42227, #42836, #42975, #42994, #43041, #43042, #43043, #43045
- Failed merges:
Diffstat (limited to 'src/liballoc/tests')
-rw-r--r--src/liballoc/tests/vec.rs5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/liballoc/tests/vec.rs b/src/liballoc/tests/vec.rs
index fdf453b39cf..17f1229c206 100644
--- a/src/liballoc/tests/vec.rs
+++ b/src/liballoc/tests/vec.rs
@@ -274,6 +274,11 @@ fn test_dedup_by() {
     vec.dedup_by(|a, b| a.eq_ignore_ascii_case(b));
 
     assert_eq!(vec, ["foo", "bar", "baz", "bar"]);
+
+    let mut vec = vec![("foo", 1), ("foo", 2), ("bar", 3), ("bar", 4), ("bar", 5)];
+    vec.dedup_by(|a, b| a.0 == b.0 && { b.1 += a.1; true });
+
+    assert_eq!(vec, [("foo", 3), ("bar", 12)]);
 }
 
 #[test]