Use UFCS for reducing dependencies

[Bastiaan Veelo]

On Sunday, 17 July 2022 at 16:25:52 UTC, Dave P. wrote:
> On Saturday, 16 July 2022 at 22:10:13 UTC, Hipreme wrote:
>> [...]
>
> I like this. What's annoying is that it doesn't work smoothly 
> with structs. Methods automatically deference pointers, but 
> UFCS functions don't.
>
> ```D
> struct Foo {
>     int x;
>     void mutate(){
>         x++;
>     }
> }
>
> void mutate2(ref Foo foo){
>     foo.x++;
> }
>
> void main(){
>     Foo foo;
>     Foo* pfoo = &foo;
>
>     // Both ref and pointer work for methods
>     foo.mutate();
>     pfoo.mutate();
>
>     // Ref works for ufcs
>     foo.mutate2();
>     // But pointer doesn't work for UFCS
>
>     // Can't do this:
>     // pfoo.mutate2();
>
>     // Must do this:
>     (*pfoo).mutate2();
>
>     assert(foo.x == 4);
> }
>
> ```

It works if you add an overload:
```
void mutate2(Foo *foo)
{
     mutate2(*foo);
}
```