Swift function :
func sum(first: String, second: String) -> String { return "\((Int(first) ?? 0) + (Int(second) ?? 0))" }
And with a closure :
let _ = { (first: String, second: String) -> String in "\((Int(first) ?? 0) + (Int(second) ?? 0))" }
Isn't Int a sized integer? It won't work with numbers that don't fit in 64 bits (or 32 bits, if you compile it for 32 bit architectures)
Int
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Swift function :
And with a closure :
Isn't
Inta sized integer? It won't work with numbers that don't fit in 64 bits (or 32 bits, if you compile it for 32 bit architectures)