---

yaml
---
r: 64616
b: refs/heads/snap-stage3
c: d9c0634
h: refs/heads/master
v: v3

Author: graydon

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: 2d28d645422c1617be58c8ca7ad9a457264ca850
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
-refs/heads/snap-stage3: ca5ed4cc498ad5da22c6e1c4c0b79df07a07029e
+refs/heads/snap-stage3: d9c0634536c8ac6cd6309221b1bbd93517686aba
 refs/heads/try: 7b78b52e602bb3ea8174f9b2006bff3315f03ef9
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b

branches/snap-stage3/src/libstd/util.rs

@@ -195,3 +195,68 @@ mod tests {
         unsafe { assert_eq!(did_run, true); }
     }
 }
+
+/// Completely miscellaneous language-construct benchmarks.
+#[cfg(test)]
+mod bench {
+
+    use extra::test::BenchHarness;
+    use option::{Some,None};
+
+    // Static/dynamic method dispatch
+
+    struct Struct {
+        field: int
+    }
+
+    trait Trait {
+        fn method(&self) -> int;
+    }
+
+    impl Trait for Struct {
+        fn method(&self) -> int {
+            self.field
+        }
+    }
+
+    #[bench]
+    fn trait_vtable_method_call(bh: &mut BenchHarness) {
+        let s = Struct { field: 10 };
+        let t = &s as &Trait;
+        do bh.iter {
+            t.method();
+        }
+    }
+
+    #[bench]
+    fn trait_static_method_call(bh: &mut BenchHarness) {
+        let s = Struct { field: 10 };
+        do bh.iter {
+            s.method();
+        }
+    }
+
+    // Overhead of various match forms
+
+    #[bench]
+    fn match_option_some(bh: &mut BenchHarness) {
+        let x = Some(10);
+        do bh.iter {
+            let _q = match x {
+                Some(y) => y,
+                None => 11
+            };
+        }
+    }
+
+    #[bench]
+    fn match_vec_pattern(bh: &mut BenchHarness) {
+        let x = [1,2,3,4,5,6];
+        do bh.iter {
+            let _q = match x {
+                [1,2,3,.._] => 10,
+                _ => 11
+            };
+        }
+    }
+}