https://golang.org/doc/faq#nil_error
Make Validate return error, not MultiError. -Caleb On Fri, Jul 1, 2016 at 5:04 PM, Kevin Manley <kevin.man...@gmail.com> wrote: > I am new to Go so I'm sure this is just me misunderstanding how things work, > but I was surprised at this result. Please can someone help me understand > why the return value from Validate() is not seen as nil by the caller, > despite Validate() returning nil? > TIA, Kevin > > https://play.golang.org/p/UF4EYwOQ-n > > package main > > import ( > "fmt" > ) > > type MultiError map[string]error > > func (e MultiError) Error() string { > return fmt.Sprintf("%d errors", len(e)) > } > > func Validate() MultiError { > return nil > } > > func main() { > var err error > err = Validate() > if err == nil { > fmt.Println("err is nil, as expected") > } else { > fmt.Println("err is not nil!!: ", err) > } > } > > > > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
