mirror of
https://github.com/teivah/100-go-mistakes.git
synced 2026-06-22 01:17:11 +08:00
98 lines
1.4 KiB
Go
98 lines
1.4 KiB
Go
package main
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import "fmt"
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const (
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StatusSuccess = "success"
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StatusErrorFoo = "error_foo"
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StatusErrorBar = "error_bar"
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)
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func main() {
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_ = f1()
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_ = f2()
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_ = f3()
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}
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func f1() error {
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var status string
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defer notify(status)
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defer incrementCounter(status)
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if err := foo(); err != nil {
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status = StatusErrorFoo
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return err
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}
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if err := bar(); err != nil {
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status = StatusErrorBar
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return err
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}
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status = StatusSuccess
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return nil
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}
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func f2() error {
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var status string
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defer notifyPtr(&status)
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defer incrementCounterPtr(&status)
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if err := foo(); err != nil {
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status = StatusErrorFoo
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return err
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}
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if err := bar(); err != nil {
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status = StatusErrorBar
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return err
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}
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status = StatusSuccess
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return nil
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}
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func f3() error {
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var status string
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defer func() {
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notify(status)
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incrementCounter(status)
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}()
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if err := foo(); err != nil {
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status = StatusErrorFoo
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return err
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}
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if err := bar(); err != nil {
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status = StatusErrorBar
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return err
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}
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status = StatusSuccess
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return nil
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}
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func notify(status string) {
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fmt.Println("notify:", status)
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}
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func incrementCounter(status string) {
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fmt.Println("increment:", status)
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}
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func notifyPtr(status *string) {
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fmt.Println("notify:", *status)
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}
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func incrementCounterPtr(status *string) {
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fmt.Println("increment:", *status)
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}
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func foo() error {
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return nil
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}
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func bar() error {
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return nil
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}
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