games.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"
type item struct {
id int
name string
price int
}
type game struct {
item
genre string
}
func load() (games []game) {
games = addGame(games, newGame(1, 50, "god of war", "action adventure"))
games = addGame(games, newGame(2, 40, "x-com 2", "strategy"))
games = addGame(games, newGame(3, 20, "minecraft", "sandbox"))
return
}
func addGame(games []game, g game) []game {
return append(games, g)
}
func newGame(id, price int, name, genre string) game {
return game{
item: item{id: id, name: name, price: price},
genre: genre,
}
}
func indexByID(games []game) (byID map[int]game) {
byID = make(map[int]game)
for _, g := range games {
byID[g.id] = g
}
return
}
func printGame(g game) {
fmt.Printf("#%d: %-15q %-20s $%d\n",
g.id, g.name, "("+g.genre+")", g.price)
}
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go main