5일차: 100DaysOfSwift🚀

5일차

기능

func printHelp() {
    let message = "Namste Swift"

    print(message)
} 

printHelp()
//output: Namste Swift

1. 매개변수 수락

func sauChavan(Parameter: DataType){
//code
}

sauChavan(Parameter: argument)

func sauChavan(Surname:String){
    let name="saurabh \(Surname)"
    print(name)
}

sauChavan(Surname:"Chavan")
//Output: saurabh chavan

2. 반환 값

func square(number: Int) -> Int {
    return number * number
}

let result = square(number: 8)
print(result)

3. 매개변수 라벨

func sayHello(to name: String) {
    print("Hello, \(name)!")
}

sayHello(to: "Saurabh")
//output: Hello Saurabh

4. 파라미터 라벨 생략

func Hello(_ person: String) {
    print("Hello, \(person)!")
}
Hello("Saurabh")
//output: Hello Saurabh