1 files changed, 27 insertions, 0 deletions
diff --git a/node_modules/when/lib/decorators/fold.js b/node_modules/when/lib/decorators/fold.js
new file mode 100644
index 00000000..c7f027aa
--- /dev/null
+++ b/node_modules/when/lib/decorators/fold.js
@@ -0,0 +1,27 @@
+/** @license MIT License (c) copyright 2010-2014 original author or authors */
+/** @author Brian Cavalier */
+/** @author John Hann */
+/** @author Jeff Escalante */
+
+(function(define) { 'use strict';
+define(function() {
+
+	return function fold(Promise) {
+
+		Promise.prototype.fold = function(f, z) {
+			var promise = this._beget();
+
+			this._handler.fold(function(z, x, to) {
+				Promise._handler(z).fold(function(x, z, to) {
+					to.resolve(f.call(this, z, x));
+				}, x, this, to);
+			}, z, promise._handler.receiver, promise._handler);
+
+			return promise;
+		};
+
+		return Promise;
+	};
+
+});
+}(typeof define === 'function' && define.amd ? define : function(factory) { module.exports = factory(); }));