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iOS Closures in Swift 2 First Class Functions Functions as Parameters

Brian Cao
Brian Cao
1,390 Points
Posted by Brian Cao
Brian Cao
1,390 Points

what does it mean to have a function as a constant?

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2 Answers

Safwat Shenouda
Safwat Shenouda
12,362 Points
Safwat Shenouda
Safwat Shenouda
12,362 Points

it means also that you can pass this constant as a parameter to another function, but in reality you are passing a function

Anjali Pasupathy
Anjali Pasupathy
28,883 Points
Anjali Pasupathy
Anjali Pasupathy
28,883 Points

When you assign a function to a constant, I think it just means that that constant now points to that function and can't be changed to point to another function.