Before understanding closure with respect to Swift, let’s first take a look into this in more general term Computer Programming.
In programming languages, closures (also called lexical closures or…
If you are doing programming for a while, you have often heard about Enumeration(Also called Enum in some…
Automatic Reference Counting (ARC) is a memory-management implementation in the Clang…
Swift comes with a new concept of optional and non-optional variables. Before answering Why…