mirror of
https://github.com/golang/go
synced 2024-09-05 07:54:46 +00:00
83 lines
1,000 B
Go
83 lines
1,000 B
Go
// $G $D/$F.go && $L $F.$A && ./$A.out
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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type Item interface
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{
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Print();
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}
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type ListItem struct
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{
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item Item;
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next *ListItem;
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}
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type List struct
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{
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head *ListItem;
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}
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func (list *List)
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Init()
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{
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list.head = nil;
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}
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func (list *List)
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Insert(i Item)
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{
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item := new(ListItem);
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item.item = i;
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item.next = list.head;
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list.head = item;
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}
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func (list *List)
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Print()
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{
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i := list.head;
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for i != nil {
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i.item.Print();
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i = i.next;
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}
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}
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// Something to put in a list
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type Integer struct
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{
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val int;
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}
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func (this *Integer)
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Init(i int) *Integer
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{
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this.val = i;
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return this;
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}
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func (this *Integer)
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Print()
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{
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print(this.val);
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}
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func
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main()
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{
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list := new(List);
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list.Init();
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for i := 0; i < 10; i = i + 1 {
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integer := new(Integer);
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integer.Init(i);
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list.Insert(integer);
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}
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list.Print();
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print("\n");
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}
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