go list

list.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 list []*product

func (l list) print() {
	if len(l) == 0 {
		fmt.Println("Sorry. We're waiting for delivery 🚚.")
		return
	}

	for _, p := range l {
		p.print()
	}
}

func (l list) discount(ratio float64) {
	for _, p := range l {
		p.discount(ratio)
	}
}

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