diff options
Diffstat (limited to 'test/ken/rob1.go')
-rw-r--r-- | test/ken/rob1.go | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/test/ken/rob1.go b/test/ken/rob1.go new file mode 100644 index 0000000..3042a67 --- /dev/null +++ b/test/ken/rob1.go @@ -0,0 +1,72 @@ +// run + +// 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. + +// Test general operation using a list implementation. + +package main + +type Item interface { + Print() string +} + +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() string { + r := "" + i := list.head + for i != nil { + r += i.item.Print() + i = i.next + } + return r +} + +// 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() string { + return string(this.val + '0') +} + +func main() { + list := new(List) + list.Init() + for i := 0; i < 10; i = i + 1 { + integer := new(Integer) + integer.Init(i) + list.Insert(integer) + } + + r := list.Print() + if r != "9876543210" { + panic(r) + } +} |