[Issue 7177] $ should forward to length by default

[d-bugmail at puremagic.com]

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



--- Comment #35 from Steven Schveighoffer <schveiguy at yahoo.com> 2013-03-21 18:49:56 PDT ---
(In reply to comment #34)
> opDollar is syntax sugar. I do not think there is a halfway decent API where
> opDollar is not an alias to a more aptly named member.

Maybe true.  But maybe that's only true because opDollar didn't work for a long
time.

What about an infinite range where the "end" is not really defined, but you
need something to say that the upper bound is unbounded?

would that have a use case besides being used in slicing?

> However, why does it even make sense to make opDollar denote end? There is no
> analogue for begin.
> 
> m[m.begin()..m.end()]
> ...
> m[m.begin()..$]
> ...

I suggested it, it was shot down.  Walter seems convinced that 0 fills that
role despite all attempts to explain.

http://forum.dlang.org/post/op.vco5zwhreav7ka@localhost.localdomain

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