58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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package main
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import (
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"encoding/json"
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"fmt"
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)
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func main() {
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store := list{
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&book{product{"moby dick", 10}, 118281600},
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&book{product{"odyssey", 15}, "733622400"},
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&book{product{"hobbit", 25}, nil},
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&puzzle{product{"rubik's cube", 5}},
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&game{product{"minecraft", 20}},
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&game{product{"tetris", 5}},
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&toy{product{"yoda", 150}},
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}
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out, _ := json.MarshalIndent(store, "", "\t")
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fmt.Println(string(out))
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// store.discount(.5)
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// fmt.Print(store)
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// var (
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// nilItem item
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// nilBook *book
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// )
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// fmt.Println("nilBook ?", nilBook == nil)
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// fmt.Println("nilItem?", nilItem == nil)
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// nilItem = nilBook
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// fmt.Println("nilItem?", nilItem == nil)
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// books := store[:3]
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// books.discount(.5)
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// fmt.Printf("%s\n", store)
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// others := store[3:]
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// sort.Sort(byPrice(others))
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// fmt.Printf("\n%s\n", store)
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// store = list{books, others}
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// fmt.Printf("\n%s\n", store)
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// // sort.Sort(sort.Reverse(byPrice(store)))
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// sort.Sort(byName(store))
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}
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