blob: a75878b1f5e3e777b51a79316a8270b224b9ecc4 [file] [log] [blame]
// $G $D/$F.go && $L $F.$A && ./$A.out
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
type Item interface
{
Print();
}
type ListItem struct
{
item Item;
next *ListItem;
}
type List struct
{
head *ListItem;
}
func (list *List)
Init()
{
list.head = nil;
}
func (list *List)
Insert(i Item)
{
item := new(ListItem);
item.item = i;
item.next = list.head;
list.head = item;
}
func (list *List)
Print()
{
i := list.head;
for i != nil {
i.item.Print();
i = i.next;
}
}
// Something to put in a list
type Integer struct
{
val int;
}
func (this *Integer)
Init(i int) *Integer
{
this.val = i;
return this;
}
func (this *Integer)
Print()
{
print(this.val);
}
func
main()
{
list := new(List);
list.Init();
for i := 0; i < 10; i = i + 1 {
integer := new(Integer);
integer.Init(i);
list.Insert(integer);
}
list.Print();
print("\n");
}