[Issue 7177] $ should forward to length by default

[d-bugmail at puremagic.com]

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



--- Comment #47 from Andrei Alexandrescu <andrei at erdani.com> 2013-03-24 13:08:46 PDT ---
(In reply to comment #46)
> (In reply to comment #44)
> > 1. hasLength!T || isNarrowString!T, but T does not define a member opDollar.
> 
> this can be shortened to hasLength!T, all strings define $, they are arrays. 
> The compiler shouldn't be trying to guess whether something is a narrow string
> or not according to phobos (or maybe I read this too literally?)

Good point, thanks.

> The rest of this is not unreasonable, and aside from breaking current code
> (albeit less common current code in a non-obvious way), this proposal misses
> one situation:  you want to define .length, but NOT opDollar.  In this case,
> @disable opDollar should be allowed (if it's not already) as monarchdodra
> suggested.

Yah, I was thinking of private or @disable'd symbols as "defined". Good to
clarify that.

@Kenji, shall we go for this?

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