On 03/18/12 11:29, Derek wrote:
> On Sun, 18 Mar 2012 19:16:02 +1100, Andrej Mitrovic
> <andrej.mitrov...@gmail.com> wrote:
>
>> On 3/18/12, Derek <ddparn...@bigpond.com> wrote:
>>> What would be useful is ...
>>> bar!(a, b, c); // is equivalent to
>>> bar!(int, int, int).bar(a, b, c);
>>
>> You mean like this?
>>
>> template bar(T...)
>> {
>> void bar() { writeln(T); }
>> }
>>
>> void main()
>> {
>> int a = 1, b = 2, c = 3;
>> bar!(a, b, c);
>> }
>
> Almost, but more like this ...
>
> template add(X,Y,Z)
> {
> X add(Y a, Z b)
> {
> return cast(X) (cast(X)a + cast(X)b);
> }
> }
>
> void main()
> {
> double s;
> int t;
> ulong u;
>
> s = 1.23;
> t = 123;
> u = 456;
>
> t = add!(u,s);
>
> writefln( "%s %s %s", s,t, u );
> }
>
>
>
> This currently errors with ...
>
> "Error: template instance add!(u,s) add!(u,s) does not match template
> declaration add(X,Y,Z)"
>
why would you do that
what do you want to _do_
it sounds like you're frantically trying to nail templates into a shape that
they really really really aren't meant for
in any case what is wrong with auto add(T)(T t) { return t[0] + t[1]; }
