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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