简单的for循环问题

// InsertSort project main.go package main import ( "fmt" "math/rand" "time" ) func main() { var my_slice = make([]int, 0, 100) rand.Seed(int64(time.Now().Nanosecond())) for i := 0; i < 10; i++ { my_slice = append(my_slice, rand.Intn(1001)) } fmt.Println("Before The Insert Sort:") fmt.Println(my_slice) fmt.Println("Sorting......") InsertSort(my_slice) fmt.Println("OK! Finish!!!") fmt.Println("After The Insert Sort:") fmt.Println(my_slice) } func InsertSort(slice_arg []int) { var tmpVar int for j := 1; j < len(slice_arg); j++ { tmpVar = slice_arg[j] i := j - 1 //for tmpVar < slice_arg[i] { // slice_arg[i+1] = slice_arg[i] // i-- // if i == -1 { // break // } //} //for i >= 0 { // if tmpVar < slice_arg[i] { // slice_arg[i+1] = slice_arg[i] // } else { // break // } // i-- //} for tmpVar < slice_arg[i] && i >= 0 { //这里怎么就不行呢 slice_arg[i+1] = slice_arg[i] i-- } slice_arg[i+1] = tmpVar fmt.Println(slice_arg) } }