8 lines
199 B
Objective-C
8 lines
199 B
Objective-C
NSMutableArray *stack = [NSMutableArray array]; // creating
|
|
|
|
[stack addObject:value]; // pushing
|
|
|
|
id value = [stack lastObject];
|
|
[stack removeLastObject]; // popping
|
|
|
|
[stack count] == 0 // is empty?
|