go_playground/5-go-by-example/14-variadic-function.go

27 lines
464 B
Go

package main
import "fmt"
// Variadic functions can be called with any number of trailing arguments
// take an arbitrary number of ints as arguments
func sum(nums ...int) {
fmt.Print(nums, " ")
total := 0
for _, num := range nums {
total += num
}
fmt.Println(total)
}
func main() {
// Variadic functions can be called in the usual way
sum(1, 2)
sum(1, 2, 3)
// apply multiple args to a variadic function
nums := []int{1, 2, 3, 4}
sum(nums...)
}