blob: 03350662a2e4120b15519bf4c76c8ec4f62eb9a0 [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");
}