[Issue 12043] opCall can only be used with IFTI and cannot be explicitly instantiated

[d-bugmail]

https://d.puremagic.com/issues/show_bug.cgi?id=12043



--- Comment #3 from rswhi...@googlemail.com 2014-01-30 13:31:03 PST ---
(In reply to comment #0)
> This fails with:
> Error: template instance f!float f is not a template declaration, 
> it is a variable
> 
> ----
> import std.stdio;
> 
> struct F {
>     T opCall(T = int)(int a, int b, int c) {
>         return cast(T)(a * b * c);
>     }
> }
> 
> void main() {
>     F f;
>     int i = f(3,4,5);
>     float f_ = f!float(6, 7, 8);
> }
> ----
> 
> I don't see why it shouldn't work.

It also applies to opIndex and so probably to all op* methods:
----
struct F {
   T opIndex(T = int)(int index) {
       return cast(T) 0;
   }
}

void main() {
    F f;
    f[42];
    f!int[42]; /// fails
}
----

-- 
Configure issuemail: https://d.puremagic.com/issues/userprefs.cgi?tab=email
------- You are receiving this mail because: -------