Get Length in Go

Posted by yhuang
Public (Editable by Users)
Go
Edit 
package main

import (
    "fmt"
)

func main() {

    var a []int

    // In Go, the length of a nil slice is 0
    fmt.Println(len(a))

    a = append(a, 1, 2, 3)
    fmt.Println(len(a))
}