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container/list: elide redundant tests and fix comment typo

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R=dsymonds
CC=golang-dev
https://golang.org/cl/2700041
This commit is contained in:
Andrew Gerrand 2010-10-25 14:50:47 +11:00
parent 01389b966e
commit 32a6613e94
1 changed files with 2 additions and 8 deletions
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10
src/pkg/container/list/list.go
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@ -11,7 +11,7 @@ type Element struct {
// The front of the list has prev = nil, and the back has next = nil.
next, prev *Element
// Thie list to which this element belongs.
// The list to which this element belongs.
list *List
// The contents of this list element.
@ -40,7 +40,7 @@ func (l *List) Init() *List {
}
// New returns an initialized list.
func New() *List { return new(List).Init() }
func New() *List { return new(List) }
// Front returns the first element in the list.
func (l *List) Front() *Element { return l.front }
@ -127,9 +127,6 @@ func (l *List) insertBack(e *Element) {
// PushFront inserts the value at the front of the list and returns a new Element containing the value.
func (l *List) PushFront(value interface{}) *Element {
if l == nil {
l.Init()
}
e := &Element{nil, nil, l, value}
l.insertFront(e)
return e
@ -137,9 +134,6 @@ func (l *List) PushFront(value interface{}) *Element {
// PushBack inserts the value at the back of the list and returns a new Element containing the value.
func (l *List) PushBack(value interface{}) *Element {
if l == nil {
l.Init()
}
e := &Element{nil, nil, l, value}
l.insertBack(e)
return e