47 lines
841 B
Go
47 lines
841 B
Go
// For more tutorials: https://blog.learngoprogramming.com
|
|
//
|
|
// Copyright © 2018 Inanc Gumus
|
|
// Learn Go Programming Course
|
|
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
|
|
//
|
|
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
s "github.com/inancgumus/prettyslice"
|
|
)
|
|
|
|
func main() {
|
|
//
|
|
// each int element is 4 bytes (on 64-bit)
|
|
//
|
|
// let's say the ages point to 1000th.
|
|
// ages[1:] will point to 1004th
|
|
// ages[2:] will point to 1008th and so on.
|
|
//
|
|
// they all will be looking at the same
|
|
// backing array.
|
|
//
|
|
|
|
ages := []int{35, 15, 25}
|
|
red, green := ages[0:1], ages[1:3]
|
|
|
|
s.Show("ages", ages)
|
|
s.Show("red", red)
|
|
s.Show("green", green)
|
|
|
|
fmt.Println(red[0])
|
|
// fmt.Println(red[1]) // error
|
|
// fmt.Println(red[2]) // error
|
|
|
|
{
|
|
var ages []int
|
|
s.Show("nil slice", ages)
|
|
|
|
// or just:
|
|
s.Show("nil slice", []int(nil))
|
|
}
|
|
}
|