/* * Copyright (c) 2014 - present Facebook, Inc. * All rights reserved. * * This source code is licensed under the BSD style license found in the * LICENSE file in the root directory of this source tree. An additional grant * of patent rights can be found in the PATENTS file in the same directory. */ #import @protocol Foo - (void)fooMethod; @property (retain) NSString *foo; @end @interface Bla: NSObject - (void)fooMethod; @end @implementation Bla: NSObject - (void)fooMethod { if ([self conformsToProtocol:@protocol(Foo)]) { return; } } @end