Go: Arrays vs slices

slices.go

package main

import (
	"fmt"
)

func slices2() {
	slice1 := []string{"Ferrari", "Honda", "Ford"}
	slice2 := slice1[:]
	fmt.Println("Slice1: ", slice1)
	fmt.Println("Slice2: ", slice2)

	slice1[0] = "Peugeot"
	slice2[0] = "Renault"
	// They're the same: slice2 is a copy of slice1 but they both point to same array.
	fmt.Println("Slice1: ", slice1)
	fmt.Println("Slice2: ", slice2)
}

func slices1() {
	carsArr := [...]string{"Ferrari", "Honda", "Ford"}
	cars := carsArr[:]

	fmt.Println("Cars: ", cars)
	fmt.Println("CarsArr: ", carsArr)
	// Cars:  [Ferrari Honda Ford]
	// CarsArr:  [Ferrari Honda Ford]

	cars[1] = "Mercedes"
	fmt.Println("Cars: ", cars)
	fmt.Println("CarsArr:", carsArr)
	// Cars:  [Ferrari Mercedes Ford]
	// CarsArr: [Ferrari Mercedes Ford]

	cars = append(cars, "Toyota")
	fmt.Println("Cars: ", cars)
	fmt.Println("CarsArr: ", carsArr)
	// Cars:  [Ferrari Mercedes Ford Toyota]
	// CarsArr:  [Ferrari Mercedes Ford]

	cars[1] = "Lamborghini"
	fmt.Println("Cars: ", cars)
	fmt.Println("CarsArr: ", carsArr)
	// Cars:  [Ferrari Lamborghini Ford Toyota]
	// CarsArr:  [Ferrari Mercedes Ford]

	cars2 := cars[:]
	fmt.Println("Cars ", cars)
	fmt.Println("Cars 2", cars2)
	// Cars  [Ferrari Lamborghini Ford Toyota]
	// Cars 2 [Ferrari Lamborghini Ford Toyota]

	cars[0] = "Zhiguli"
	fmt.Println("Cars ", cars)
	fmt.Println("Cars 2", cars2)
	// Cars  [Zhiguli Lamborghini Ford Toyota]
	// Cars 2 [Zhiguli Lamborghini Ford Toyota]
}

func main() {
	slices1()
	slices2()
}