main.go 源码
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
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))
}
}
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