代码:
import Foundation
//Swift中的可变参数的应用
var total:Double = 0.0
func avg(numbers:Double...) -> Double {
for number in numbers {
total = total + number
}
return total
}
print(avg(numbers: 3.4,4.5,99,30.0))
print(avg(numbers:88.98,22.00,223.23,24.02,243.234))
输出:
136.9
738.364
Program ended with exit code: 0