byKey and byValue: properties or methods?

[Steven Schveighoffer]

On Thu, 19 Jan 2012 14:06:00 -0500, torhu <no at spam.invalid> wrote:

> On 19.01.2012 19:17, Steven Schveighoffer wrote:
>>
>> That's like saying this:
>>
>> int[] arr;
>>
>> int l = arr.length;
>> l++;
>>
>> should be the same as this:
>>
>> arr.length++;
>>
>> because it's a property.
>>
>> This is an orthogonal problem.  byKey doesn't try to affect the original
>> AA, so the semantics should be the same whether you save a copy or  
>> access
>> it in one line.
>>
>> There are no hard-fast rules on what should be properties and what
>> shouldn't.  But the rvalue vs lvalue is an orthogonal problem.
>
> 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