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"
)
func main() {
nums := []int{56, 89, 15, 25, 30, 50}
// ----------------------------------------
// breaks the connection:
// mine and nums now have different backing arrays
// verbose solution:
// var mine []int
// mine = append(mine, nums[:3]...)
// better solution (almost the same thing):
mine := append([]int(nil), nums[:3]...)
// ----------------------------------------
mine[0], mine[1], mine[2] = -50, -100, -150
fmt.Println("Mine :", mine)
fmt.Println("Original nums:", nums[:3])
}
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