What do you mean by nil-coalescing operator?

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What do you mean by nil-coalescing operator?
Question Posted on 27 Aug 2021

Home >> Programming Languages >> Swift >> What do you mean by nil-coalescing operator?

What do you mean by nil-coalescing operator?
It is like a optional conditional operator like if some value is nil then output is some other values. To understand this we will take a below example which will help you to understand the syntax for nil-coalescing operator.
nil-coalescing operator(x ?? y)
Here in above code if x have some value then it will return value of x but if x is nill then it will return value of y here.
And it is a shortut of below condition operator code:-
x!= nil ? x! :y

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