Yet another MRV proposal!

[Extrawurst]

Janice Caron schrieb:
> On 15/04/2008, Clay Smith <clayasaurus at gmail.com> wrote:
>   
>>  If there is MRV I don't see why not take the python route and support
>> tuples.
>>     
>
> I agree. Particularly as we already have tuples (std.typecons.Tuple),
> so really all that we need now is a little bit of syntactic sugar.
> Something like:
>
> BEFORE
>
>     import std.typecons
>
>     Tuple!(int,float) test()
>     {
>          return Tuple!(int,float)(1,2);
>     }
>
>     auto t = test();
>     int a = t._0;
>     float b = t._1;
>
> AFTER:
>
>     {int,float} test()
>     {
>         return {1,2f};
>     }
>
>     {a,b} = test();
>
> or similar. The implementation can still be in std.typecons, but the
> compiler could save you a bit of typing.
>
> Incidently, std.typecons.Tuple can already name the fields.
>
>     Tuple!(int,"a",float,"b"}
>
> is basically the same thing as
>
>     struct anon { int a; float b; }
>
> but most of the time, there's little need to name the fields, as _0,
> _1 etc. suffice, and if we add some syntactic sugar, we won't even
> need those.
>   

First of all, returning Tuples with whatever syntax must be enabled, right ?