Fun with templates

[Daniel Murphy]

"Manu" <turkeyman at gmail.com> wrote in message 
news:mailman.1752.1373074509.13711.digitalmars-d at puremagic.com...
> Okay, so I feel like this should be possible, but I can't make it work...
> I want to use template deduction to deduce the argument type, but I want
> the function arg to be Unqual!T of the deduced type, rather than the
> verbatim type of the argument given.
>
> I've tried: void f(T : Unqual!U, U)(T a) {}
> and: void f(T)(Unqual!T a) {}
>
> Ie, if called with:
>  const int x;
>  f(x);
> Then f() should be generated void f(int) rather than void f(const int).
>
> I don't want a million permutations of the template function for each
> combination of const/immutabe/shared/etc, which especially blows out when
> the function has 2 or more args.
>
> Note: T may only be a primitive type. Obviously const(int*) can never be
> passed to int*.
>

void f(T)(T _a) { Unqual!T a = _a; ... }