C++ UFCS update

[Era Scarecrow via Digitalmars-d]

On Sunday, 21 February 2016 at 00:52:13 UTC, bitwise wrote:
> I don't get how it would be useful at all to type f(x, y) and 
> have the compiler call x.f(y) for me. Why would I ever not want 
> to just use member invocation syntax?

  One reason could be connecting to OO based code that's written 
purely in C (but doesn't have the member invocation). I think a 
good portion of XWindows was written that way.

  Beyond that I'm not sure.