go-learn/variadic.go

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2021-03-04 16:57:36 +00:00
package main
import "fmt"
func sum(nums ...int) {
fmt.Print(nums, " ")
total := 0
for _, num := range nums {
total += num
}
fmt.Println(total)
}
func sentence(words ...string) {
snt := ""
for _, word := range words {
snt += word + " "
}
fmt.Println(snt)
}
func main() {
sum(1, 2)
sum(1, 2, 3)
nums := []int{1, 2, 3, 4}
sum(nums...)
sentence("This", "is", "my", "useless", "function")
}