Combining Delegate and Functions

[BCS]

Hello Daniel,

> BCS wrote:
> 
>> here's a general version that should work but dosn't:
>> 
> The problem is that out and ref aren't types; they're storage classes,
> and D's current metaprogramming system has no way of accessing these.
> 
> You CAN get at them with .stringof, but that's 100% undocumented and a
> MASSIVE pain in the arse.  It also means you have to write horrible
> parsing code every single time you want to wrap a function.
> 
> There *really* has to be a better way.
> 

the really painful bit is that the tuple from is(T A == function) has the 
ref/out stuff in it as shown by the first static assert but it gets dropped 
when it's used as an argument list (as show my the second [identical!] assert).