---

yaml
---
r: 83263
b: refs/heads/try
c: 48d5b4b
h: refs/heads/master
i:
  83261: 8995d63
  83259: 6bdaa0d
  83255: 83c1466
  83247: 6f1770a
  83231: f8a293d
  83199: 52dccb7
v: v3

Author: sfackler

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 0e4d1fc8cae42e15e00f71d9f439b01bb25a86ae
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 6c08cc2db4f98e9f07ae7d50338396c4123c2f0a
-refs/heads/try: ff85389344d6fe4a318559b66b97c24b8fddf1e4
+refs/heads/try: 48d5b4b8e163a4eb4a8290bfed6786b333f49117
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c

branches/try/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() {