Objective-C pattern for creating mutable copies...

How to implement properly mutableCopyWithZone and copyWithZone...

Why does this NSMutableAttributedString addAttribute work only if I use a mutableCopy...

NSDictionary: Comparison after MutableCopy...

Issue related with modifying the value in an NSMutablearray...

mutableCopyWithZone confusing requirement?...

Using -mutableCopyWithZone: on custom class makes it immutable...

MutableCopy AllocLeak MemoryLeak...

Literal syntax vs. mutableCopy and Objective-C compiler warnings...