[dmd-beta] D2 beta 2.057

[Walter Bright]

So far, this reduces to:

template ParameterTypeTuple(func)
{
     static if (is(func Fptr : Fptr*) && is(Fptr P == function))
         alias P ParameterTypeTuple;
     else
         static assert(0, "argument has no parameters");
}

extern(Windows) alias void function() fpw_t;

extern(Windows) alias void function(fpw_t fp) cb_t;

struct DllImport(TFunction) {

//extern(Windows)
   static void bar(ParameterTypeTuple!(cb_t) args) {
       pragma (msg, "TFunction1: " ~ typeof(args[0]).stringof);
   }
}

extern(Windows)
alias DllImport!(cb_t) InternetSetStatusCallback;


void test()
{
     extern(Windows) static void foo() { }

     InternetSetStatusCallback.bar(&foo);
}


On 12/12/2011 2:16 AM, Richard Webb wrote:
>
> I tried building Juno with the latest beta, and got a build failure related to 
> ParameterTypeTuple and function type parameters.
>
> Seems to be related to this: In 2.056, the code
>