5 examples of 'defer golang' in Go

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71func testDefer() {
72 i := 1
73 defer deferred("...run as defer", i)
74 i++
75 defer func() {
76 println("...run closure deferred:", i)
77 }()
78 i++
79 defer deferred("...run as defer", i)
80 i++
81
82 var t Printer = &Thing{"foo"}
83 defer t.Print("bar")
84
85 println("deferring...")
86}
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45func defer_test() {
46 ch := make(chan int)
47
48 for i := 0; i < 10; i++ {
49 go defer_test_fun(i, ch)
50 }
51 for i := 0; i < 10; i++ {
52 if v, ok := <- ch; ok {
53 fmt.Println("got the exited chan:", v, ok)
54 }
55 }
56 time.Sleep(3 * time.Second)
57 fmt.Println("quit")
58}
203func (c *Cmd) Defer(vars *Vars) interface{} {
204 p := c
205 for {
206 if p.ParentFunc != nil {
207 if p.ParentFunc.Defers == nil {
208 p.ParentFunc.Defers = []*Cmd{c.Params[0]}
209 } else {
210 p.ParentFunc.Defers = append([]*Cmd{c.Params[0]}, p.ParentFunc.Defers...)
211 }
212 break
213 }
214 if p.ParentCmd == nil {
215 break
216 }
217 p = p.ParentCmd
218 }
219 return nil
220}
234func (this *Converter) converterDefer() {
235 //删除不必要的文件
236 os.RemoveAll(filepath.Join(this.BasePath, "META-INF"))
237 os.RemoveAll(filepath.Join(this.BasePath, "content.epub"))
238 os.RemoveAll(filepath.Join(this.BasePath, "mimetype"))
239 os.RemoveAll(filepath.Join(this.BasePath, "toc.ncx"))
240 os.RemoveAll(filepath.Join(this.BasePath, "content.opf"))
241 os.RemoveAll(filepath.Join(this.BasePath, "titlepage.xhtml")) //封面图片待优化
242 os.RemoveAll(filepath.Join(this.BasePath, "summary.html")) //文档目录
243}
70func (this *Route) DeferFunc(f web.RequestHandler) {
71 this._routeMap.DeferFunc(f)
72}

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