Deferred_草庐IT

Go:从 defer 中返回

如果函数发生panic(在Go中)，我想从函数返回错误:funcgetReport(filenamestring)(repreport,errerror){rep.data=make(map[string]float64)deferfunc(){ifr:=recover();r!=nil{fmt.Println("Recoveredinf",r)err,_=r.(error)returnnil,err}}()panic("Reportformatnotrecognized.")//restofthegetReportfunction,whichcantrytoout-of-bound-

defer Go section code err return deferred panic

Go:从 defer 中返回

如果函数发生panic(在Go中)，我想从函数返回错误:funcgetReport(filenamestring)(repreport,errerror){rep.data=make(map[string]float64)deferfunc(){ifr:=recover();r!=nil{fmt.Println("Recoveredinf",r)err,_=r.(error)returnnil,err}}()panic("Reportformatnotrecognized.")//restofthegetReportfunction,whichcantrytoout-of-bound-

defer Go section code err return deferred panic

go - defer 会一直等到子程序执行完吗？

defer go section code goroutine deferred subroutine