Utility functions for converting to/from Promises

These functions will make interoperating with existing async libraries
much easier.

Also bump npm version -> 1.0.10

README.md

@@ -534,6 +534,12 @@ Future.prototype.proxy = function(future) { ... }
  * future threw, future.wait() will throw.
  */
 Future.prototype.wait = function() { ... }
+
+/**
+ * Support for converting a Future to and from ES6 Promises.
+ */
+Future.fromPromise = function(promise) { ... }
+Future.prototype.promise = function() { ... }
 ```
 
 GARBAGE COLLECTION

future.js

@@ -188,6 +188,19 @@ Future.wait = function wait(/* ... */) {
 	}
 };
 
+/**
+ * Return a Future that waits on an ES6 Promise.
+ */
+Future.fromPromise = function(promise) {
+	var future = new Future;
+	promise.then(function(val) {
+		future.return(val);
+	}, function(err) {
+		future.throw(err);
+	});
+	return future;
+};
+
 Future.prototype = {
 	/**
 	 * Return the value of this future. If the future hasn't resolved yet this will throw an error.
@@ -408,6 +421,22 @@ Future.prototype = {
 		return this;
 	},
 
+	/**
+	 * Returns an ES6 Promise
+	 */
+	promise: function() {
+		var that = this;
+		return new Promise(function(resolve, reject) {
+			that.resolve(function(err, val) {
+				if (err) {
+					reject(err);
+				} else {
+					resolve(val);
+				}
+			});
+		});
+	},
+
 	/**
 	 * Differs from its functional counterpart in that it actually resolves the future. Thus if the
 	 * future threw, future.wait() will throw.

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "fibers",
-	"version": "1.0.9",
+	"version": "1.0.10",
 	"description": "Cooperative multi-tasking for Javascript",
 	"keywords": [
 		"fiber", "fibers", "coroutine", "thread", "async", "parallel", "worker", "future", "promise"],