opDispatch and UFCS

[Kenji Hara]

On Tuesday, 2 July 2013 at 00:45:23 UTC, cal wrote:
> import std.conv, std.stdio, std.algorithm;
>
> struct S {
>     void opDispatch(string s, T...)(T t) if 
> (s.startsWith("foo")) {
>         writeln(s);
>     }
> }
>
> void main() {
>     S s;
>     s.foo();
>     auto p = s.to!string(); // Error: s.opDispatch!("to") isn't 
> a template
> }
>
> Should the constraint on opDispatch allow the UFCS "to" call on 
> S?

That's a compiler bug.
http://d.puremagic.com/issues/show_bug.cgi?id=10526

Kenji Hara