Yes. I am looking for a compile time operator.
Does the community think it makes sense to start a new formal proposal?
On Tue, Mar 19, 2019, 6:33 PM Robert Engels <reng...@ix.netcom.com> wrote:
> I think nameof is a compile time operation (constant generation) not
> runtime.
>
> I’ve never used it but the ops request seems reasonable.
>
> Go 2.0 proposal I guess.
>
> > On Mar 19, 2019, at 7:53 AM, Ian Lance Taylor <i...@golang.org> wrote:
> >
> >> On Tue, Mar 19, 2019 at 5:19 AM saurabh singh <saurab...@gmail.com>
> wrote:
> >>
> >> Is there an alternative for nameof in golang.
> >> I don't want reflection magic.
> >> Use case is to avoid log messages, validation etc to go out of sync
> with code changes:
> >>
> >> func foo(correctParamName string) (interface{}, error){
> >> if len(correctParamName) == 0{
> >> return nil, errors.New("crypticParamNameFixedAfterCodeReview
> is empty")
> >> }
> >> }
> >>
> >> Much better with
> >> return nil, errors.New(nameof(crypticParamNameFixedAfterCodeReview) + "
> is empty") // compile error unless this is also changed to match the param
> name.
> >>
> >> Something as simple as nameof else it would be an overkill for the use
> case.
> >
> > Sorry, Go does not provide any way to get the name of a variable at run
> time.
> >
> > Ian
> >
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