Go--append()
作用:在原切片的末尾添加元素
实例:
package main import "fmt" func main() { s1 := []int{} fmt.Printf("len = %d, cap = %d\n", len(s1), cap(s1)) fmt.Println("s1 = ", s1) fmt.Println() //在原切片的末尾添加元素 s1 = append(s1, 1) s1 = append(s1, 2) s1 = append(s1, 3, 4) fmt.Printf("len = %d, cap = %d\n", len(s1), cap(s1)) fmt.Println("s1 = ", s1) }
执行结果: