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SWIFT

declare function in swift

func greet(person: String) -> String {
    let greeting = "Hello, " + person + "!"
    return greeting
}
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swift how to call a function

//function trying to be called

func aFunction() {
	print("called function")
}

//call function like this

aFunction()
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Swift Calling a function in Swift

func greet() {
  print("Hello World!")
}
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Swift Function Declaration

func functionName(parameters)-> returnType {
  // function body 
}
Comment

Swift Function

// declare a function
func greet() {
  print("Hello World!")
}

// call the function
greet()

print("Outside function")
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