What Optional Binding
Other Than Forced Unwrapping, Optional Binding Is a Simpler and Recommended Way to Unwrap an Optional. You Use Optional Binding to Check If the Optional...
Other than forced unwrapping, optional binding is a simpler and recommended way to unwrap an optional. You use optional binding to check if the optional contains a value or not. If it does contain a value, unwrap it and put it into a temporary constant or variable.
What is Optional binding and Optional chaining?
Optional binding allows an entire block of logic to happen the same way every time. Multiple lines of optional chaining can make it unclear exactly what is going to happen and could potentially be subject to race-conditions causing unexpected behavior.
What is an Optional variable?
Overview. An optional in Swift is basically a constant or variable that can hold a value OR no value. The value can or cannot be nil.