// // NSObject+MPStringTest.h // MathPad // // Created by Kim Wittenburg on 20.04.14. // Copyright (c) 2014 Kim Wittenburg. All rights reserved. // #import @interface NSObject (MPStringTest) /*! @method isString @brief Returns wether the receiver is a string object. @discussion A string object is an instance of the @c NSString class or any of its subclasses (for example @c NSMutableString). For an @c NSAttributedString this method returns @c NO. @return @c YES if the receiver is an instance of @c NSString or a subclass, @c NO otherwise. */ - (BOOL)isString; @end