example of a defer that uses named error return params

gistfile1.txt

func CalculateThing() (result int, err error) {
	defer func() {
		if err != nil {
			monitoringSrv.HandleErr("CalculateThing", err)
		}
	}()

	var a, b int

	a, err = doA()
	if err != nil {
		return
	}

	b, err = doB(a)
	if err != nil {
		return
	}

	result, err = doC(b)
	return
}

func CalculateThing2() (result int, err error) {
	handle err {
		monitoringSrv.HandleErr("CalculateThing", err)
	}

	a := check doA()
	b := check doB(a)
	result = check doC(b)
	return
}