C# nameof operator is evaluated at compile time.
Go does not have this operator, but it would be an nice addition.
On Tuesday, March 19, 2019 at 9:53:45 AM UTC-3, Ian Lance Taylor wrote:
>
> On Tue, Mar 19, 2019 at 5:19 AM saurabh singh <saur...@gmail.com
> <javascript:>> 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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