Better string mixins

[Adam D. Ruppe]

On Friday, 28 December 2018 at 12:51:47 UTC, rikki cattermole 
wrote:
> On 29/12/2018 1:43 AM, SashaGreat wrote:
>> mixin("x = {0}; y = {1}", x, y);
>
> mixin("x = %d; y = %d;".format(8, 4));
>

For a more direct translation, you would use positional 
parameters.

mixin("x = %1$s; y = %2$s".format(x, y));


You can write your own function to pretty easily convert between 
the two string formats if you want. (Or, if going that far, you 
can just write your own function that avoids `format` and just 
converts the args and inserts at position.)

Though these positional things are different than the 
interpolation request.