// // Stack.m // DUREX test // // Created by Imanol Barba on 5/23/14. // Copyright (c) 2014 Emmoco. All rights reserved.retur // #import "Stack.h" @interface Stack () @property (strong,nonatomic) NSMutableArray *dataArray; @property (strong,nonatomic) NSIndex *lastPosition; @end @implementation Stack - (void) push: (id) element { [[self dataArray] addObject:element]; } - (id) pop { [[self dataArray] obj] [[self dataArray] removeLastObject]; } - (NSInteger) count { return [[self dataArray] count]; } - (void) clear { } @end