remove cast method

es6-promise/es6-promise-commonjs-tests.ts

@@ -22,12 +22,6 @@ var constructResult1 = new Promise<string>((resolve: (promise: Thenable<string>)
 });
 promiseString = constructResult1;
 
-//cast test
-var castResult = Promise.cast('a string');
-promiseString = castResult;
-var castResult1 = Promise.cast(Promise.resolve('a string'));
-promiseString = castResult1;
-
 //resolve test
 var resolveResult = Promise.resolve('a string');
 promiseString = resolveResult;

es6-promise/es6-promise-tests.ts

@@ -20,12 +20,6 @@ var constructResult1 = new Promise<string>((resolve:(promise: Thenable<string>)
 });
 promiseString = constructResult1;
 
-//cast test
-var castResult = Promise.cast('a string');
-promiseString = castResult;
-var castResult1 = Promise.cast(Promise.resolve('a string'));
-promiseString = castResult1;
-
 //resolve test
 var resolveResult = Promise.resolve('a string');
 promiseString = resolveResult;

es6-promise/es6-promise.d.ts

@@ -118,23 +118,13 @@ declare class Promise<R> implements Thenable<R> {
 }
 
 declare module Promise {
-	/**
-	 * Returns promise (only if promise.constructor == Promise)
-	 */
-	function cast<R>(promise: Promise<R>): Promise<R>;
-	/**
-	 * Make a promise that fulfills to obj.
-	 */
-	function cast<R>(object: R): Promise<R>;
-
 	/**
 	 * Make a new promise from the thenable. 
 	 * A thenable is promise-like in as far as it has a "then" method. 
-	 * This also creates a new promise if you pass it a genuine JavaScript promise, making it less efficient for casting than Promise.cast.
 	 */
 	function resolve<R>(thenable?: Thenable<R>): Promise<R>;
 	/**
-	 * Make a promise that fulfills to obj. Same as Promise.cast(obj) in this situation.
+	 * Make a promise that fulfills to obj.
 	 */
 	function resolve<R>(object?: R): Promise<R>;