You can skip the index or value by assigning to _.
If you only want the index, drop the ", value" entirely.
package main import "fmt" func main() { pow := make([]int, 10) for i := range pow { pow[i] = i << uint(i) } for _, value := range pow { fmt.Printf("%d\n", value) } }
原文：http://www.cnblogs.com/ghgyj/p/4053351.html