byKey and byValue: properties or methods?

[Andrei Alexandrescu]

On 1/19/12 4:43 PM, Steven Schveighoffer wrote:
> On Thu, 19 Jan 2012 14:06:00 -0500, torhu <no at spam.invalid> wrote:
>> If the type of byKeys is Range, I would expect to be able to treat it
>> like one. Not like one, then another, then another, then another... ad
>> infinitum.
>
> I don't know what you mean. You can treat it like one.
>
> -Steve

It's the rvalue aspect. byKey does not hold a range inside the hashtable 
(as a member variable would do). Each use of byKey gives you a range 
that you get to iterate from the beginning.

Andrie