merr

func CloseAndMergeError ¶

func CloseAndMergeError(closable io.Closer, err error) error

CloseAndMergeError close the closable and merge the closeErr with the given err into a multierror Note: when using this function in a defer function, don't use as below: func XXX() (

err error,
) {
	defer func() {
		// bad, because the definition of err might get overwritten by another deferred function
		err = closeAndMergeError(closable, err)
	}()

Better to use as below: func XXX() (

errToReturn error,
) {
	defer func() {
		// good, because the error to returned is only updated here, and guaranteed to be returned
		errToReturn = closeAndMergeError(closable, errToReturn)
	}()