On Mon, Jun 13, 2016 at 2:17 PM, <oli.gagnon4...@gmail.com> wrote:
> consider
>
>> func Foo(a int, b string, x SomeStruct)
>
>
> It would be nice if it was possible to pass in the "don't care" value,
> a.k.a. "_" as one of the argument, as an alias for the default value of the
> type.
>
>> pkg.Foo(a, b, _)
>
>
> This way if the user knows he doesn't care about the last value and that the
> default is fine. He can use that syntax to just give the zero value.
>
> This could be extended to returns
>
>> func Bar() (SomeStruct, error) {
>>
>> ...
>>
>> if err != nil {
>>
>> return _, err
>>
>> }
>>
>> ...
>>
>> }
>
>
> or things like channels
>
>> var c chan struct{}
>>
>> c <- _
I think this has been proposed before:
https://groups.google.com/d/msg/golang-nuts/VXWNJQFCgts/V2ED_W_tCdEJ
https://groups.google.com/d/msg/golang-dev/iAysKGpniLw/qSbtBUx4-sMJ
https://groups.google.com/d/msg/golang-nuts/kBOnfs3a2tU/YxTuqMLhYckJ
https://groups.google.com/d/msg/golang-nuts/Ii2rmcm483Q/H81jmL8reOIJ
Ian
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