Tuple poilerplate code

[JG]

On Tuesday, 1 September 2020 at 03:51:10 UTC, user1234 wrote:
> On Tuesday, 1 September 2020 at 02:08:54 UTC, JG wrote:
>> Is there anyway to remove the boilerplate code of dealing with 
>> tuples:
>>
>> I find myself having to write things like this fairly often
>>
>> auto someRandomName  = f(...); //where f returns a tuple with 
>> two parts
>> auto firstPart = someRandomName[0];
>> auto secondPart = someRandomName[1];
>>
>>
>> Is to possible to write something so that the above is 
>> essentially equivalent to:
>>
>> assignTuple!(firstPart,secondPart) = f(...);
>>
>> The closest I can produce is using a template mixin so that I 
>> would have to write:
>>
>> mixin AssignTuple!(()=>f(...),"firstPart","secondPart");
>
> ---
> void assignTuple(S, T...)(auto ref S s, auto ref T t)
> {
>     static foreach (i; 0 .. S.length)
>         t[i] = s[i];
> }
>
> void main()
> {
>     import std;
>     string a,b;
>     tuple("a", "b").assignTuple(a,b);
> }
> ---
Thanks for your answer. That helps somewhat, however it is still 
longer and less clear than one would ideally want. In addition 
you need to use explicit types.