[Issue 7177] $ should forward to length by default

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=7177



--- Comment #39 from Steven Schveighoffer <schveiguy at yahoo.com> 2013-03-22 08:33:31 PDT ---
(In reply to comment #37)
> I think that having opDollar work with UFCS would set a bad precedent. That's
> opening the door for 3rd party code to be able to overload operators on your
> types, and I think that that's a pretty bad can of worms to open.

This can already be done with a wrapping type and alias this.  See my earlier
example.

However, we can probably make opDollar a special case, it's not really an
operator but a special symbol that $ gets translated into.  I don't think it
would be inconsistent to allow UFCS opDollar and not allow other operators via
UFCS.

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