30 lines
703 B
Go
30 lines
703 B
Go
|
// For more tutorials: https://blog.learngoprogramming.com
|
||
|
|
//
|
||
|
|
// Copyright © 2018 Inanc Gumus
|
||
|
|
// Learn Go Programming Course
|
||
|
|
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
|
||
|
|
//
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
import "fmt"
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
store := list{
|
||
|
|
&book{product{"moby dick", 10}, 118281600},
|
||
|
|
&book{product{"odyssey", 15}, "733622400"},
|
||
|
|
&book{product{"hobbit", 25}, nil},
|
||
|
|
&puzzle{product{"rubik's cube", 5}},
|
||
|
|
&game{product{"minecraft", 20}},
|
||
|
|
&game{product{"tetris", 5}},
|
||
|
|
&toy{product{"yoda", 150}},
|
||
|
|
}
|
||
|
|
|
||
|
|
store.discount(.5)
|
||
|
|
|
||
|
|
// the store doesn't have a print method anymore.
|
||
|
|
// but the Print function can print it.
|
||
|
|
// it's because, the list satisfies the stringer.
|
||
|
|
fmt.Print(store)
|
||
|
|
}
|