---

yaml
---
r: 67197
b: refs/heads/master
c: d9c0634
h: refs/heads/master
i:
  67195: e015495
v: v3

Author: graydon

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: ca5ed4cc498ad5da22c6e1c4c0b79df07a07029e
+refs/heads/master: d9c0634536c8ac6cd6309221b1bbd93517686aba
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 18e3db7392d2d0697b7e27d6d986139960144d85
 refs/heads/try: 7b78b52e602bb3ea8174f9b2006bff3315f03ef9

trunk/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
+            };
+        }
+    }
+}