byKey and byValue: properties or methods?
Jonathan M Davis
jmdavisProg at gmx.com
Tue Jan 17 01:49:22 PST 2012
On Tuesday, January 17, 2012 09:07:04 Alex Rønne Petersen wrote:
> On 17-01-2012 07:48, Andrei Alexandrescu wrote:
> > I hate I must ask this:
> >
> > int[string] aa;
> > foreach (k; aa.byKey) { ... }
> >
> > or
> >
> > int[string] aa;
> > foreach (k; aa.byKey()) { ... }
> >
> >
> >
> > Thanks,
> >
> > Andrei "I told you" Alexandrescu
>
> My thoughts:
>
> The "by" in the name is way too awkward for a property. If it was just
> named "keys" and "values", it would've been perfectly fine to make them
> properties, but the "by" just looks awkward when you "call" them as
> properties.
>
> As far as efficiency goes, I don't think these perform any work that is
> heavy enough to warrant not making them properties. (I can't say that
> same for .dup/.idup... I still don't get why those are properties, at all.)
Agreed. If it were keys and values, then a property would make sense. However,
since it's byKey and byValue, I don't think that it makes as much sense. It
_is_ a bit of a weird case though, since byKey and byValue are neither nouns
nor verbs.
- Jonathan M Davis
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