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Swift--function
2022-06-13 06:02:00 【Quiet electric rod】
Swift As a high-level language , Function definition introduces Arrow Syntax . Function parameters are optimized , Introduce optional parameters , Variable parameters ; Addressing parameters , restructure , Inlining is optimized .
Hello World
func jjMinus(param1: Int, param2: Int) -> Int {
print("Hello world")
return param1 - param2
}
- The parameter modifier of the function assumes by default that let
- If the code of the a function is only one line ,return The modifier can be omitted
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