---

yaml
---
r: 82469
b: refs/heads/auto
c: 48d5b4b
h: refs/heads/master
i:
  82467: 801a0cf
v: v3

Author: sfackler

[refs]

@@ -13,7 +13,7 @@ refs/heads/try3: 9387340aab40a73e8424c48fd42f0c521a4875c0
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: ff85389344d6fe4a318559b66b97c24b8fddf1e4
+refs/heads/auto: 48d5b4b8e163a4eb4a8290bfed6786b333f49117
 refs/heads/servo: af82457af293e2a842ba6b7759b70288da276167
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
 refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336

branches/auto/src/libextra/future.rs

@@ -139,6 +139,23 @@ impl<A:Send> Future<A> {
 
         Future::from_port(port)
     }
+
+    pub fn spawn_with<B: Send>(v: B, blk: ~fn(B) -> A) -> Future<A> {
+        /*!
+         * Create a future from a unique closure taking one argument.
+         *
+         * The closure and its argument will be moved into a new task. The
+         * closure will be run and its result used as the value of the future.
+         */
+
+         let (port, chan) = oneshot();
+
+         do task::spawn_with((v, chan)) |(v, chan)| {
+            chan.send(blk(v));
+         }
+
+         Future::from_port(port)
+    }
 }
 
 #[cfg(test)]
@@ -193,6 +210,12 @@ mod test {
         assert_eq!(f.get(), ~"bale");
     }
 
+    #[test]
+    fn test_spawn_with() {
+        let mut f = Future::spawn_with(~"gale", |s| { s });
+        assert_eq!(f.get(), ~"gale");
+    }
+
     #[test]
     #[should_fail]
     fn test_futurefail() {