On 2012-05-04 10:38, Manu wrote:

This syntax complains, but it's precisely the same expression I use to

pass an argument in to a function, and it's fine there:
  remedy\modules\hud.d(35):Error: function remedy.hud.func without
'this' cannot be const/immutable

const ref Thing function() blah = &func;

Again this declares the variable const and not the return type. I'm not sure about the "ref" thing. I don't know if function pointers can return by reference, at least not the syntax.