5 examples of 'defer golang' in Go

71
func testDefer() {
72
	i := 1
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	defer deferred("...run as defer", i)
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	i++
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	defer func() {
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		println("...run closure deferred:", i)
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	}()
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	i++
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	defer deferred("...run as defer", i)
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	i++
81
82
	var t Printer = &Thing{"foo"}
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	defer t.Print("bar")
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85
	println("deferring...")
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}

45
func defer_test() {
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	ch := make(chan int)
47
48
	for i := 0; i < 10; i++ {
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		go defer_test_fun(i, ch)
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	}
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	for i := 0; i < 10; i++ {
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		if v, ok := <- ch; ok {
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			fmt.Println("got the exited chan:", v, ok)
54
		}
55
	}
56
	time.Sleep(3 * time.Second)
57
	fmt.Println("quit")
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}

203
func (c *Cmd) Defer(vars *Vars) interface{} {
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	p := c
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	for {
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		if p.ParentFunc != nil {
207
			if p.ParentFunc.Defers == nil {
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				p.ParentFunc.Defers = []*Cmd{c.Params[0]}
209
			} else {
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				p.ParentFunc.Defers = append([]*Cmd{c.Params[0]}, p.ParentFunc.Defers...)
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			}
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			break
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		}
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		if p.ParentCmd == nil {
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			break
216
		}
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		p = p.ParentCmd
218
	}
219
	return nil
220
}

234
func (this *Converter) converterDefer() {
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	//删除不必要的文件
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	os.RemoveAll(filepath.Join(this.BasePath, "META-INF"))
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	os.RemoveAll(filepath.Join(this.BasePath, "content.epub"))
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	os.RemoveAll(filepath.Join(this.BasePath, "mimetype"))
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	os.RemoveAll(filepath.Join(this.BasePath, "toc.ncx"))
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	os.RemoveAll(filepath.Join(this.BasePath, "content.opf"))
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	os.RemoveAll(filepath.Join(this.BasePath, "titlepage.xhtml")) //封面图片待优化
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	os.RemoveAll(filepath.Join(this.BasePath, "summary.html"))    //文档目录
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}

70
func (this *Route) DeferFunc(f web.RequestHandler) {
71
	this._routeMap.DeferFunc(f)
72
}