Swift – Using Objective C Code In Swift Class | Objective C Bridging Header

We will learn about configuring Xcode so that swift files can call objective c code. What : Objective C Bridging Header works as a bridge in between objective c and swift code. This bridge enables swift classes to use objective c Read More …

Swift – Optional | Implicit Optional | Optional Binding | Optional Unwrapping

We will learn about Optionals?, their unwrapping, implicitly unwrapped optional!, optional binding and automatic unwrapping. Normal Optionals : What : Optionals (normal) are data types, which have value or nothing. ? mark is used to denote optional. Optional means , it Read More …