Yes, I meant to say symbol :) On 13 ?.?. 2554, at 22:04, Ernie Miller <[email protected]> wrote:
> On Feb 13, 2011, at 3:22 AM, Prem Sichanugrist <[email protected]> wrote: > >> I've been discussed the possibility of exposing ARel power with the core >> team too, and found out that they thing ARel API is not mature enough to be >> exposed. Maybe we should wait :) >> >> In another hand, they don't like the extending hash for this apparent reason >> so I'm pretty sure you won't see it in the future release unless you can >> convince them that it's more elegant. Using that metawhere gem is you way to >> go :) >> >> Prem >> > > I'll third the recommendation for MetaWhere, though I may be biased. :) > > I assume that when you mentioned extending Hash, you meant extending > Symbol. I know a number of rubyists are vehemently opposed to such > extensions, though I've never really been sure of why. I can assume > that it's because extending symbol in this way treats it as something > of an extra global namespace and that strictly from an OO purity > perspective, hanging factory methods off of symbol is considered > unsavory. That, or it has something to do with symbols not being > garbage collected and such methods encouraging/necessitating extra use > of symbols -- irrelevant in this context since hash keys are already > symbols in most cases. > > Anyway, I'd contend that that from a practical perspective, "freedom > patching" in this manner makes a lot of sense. Granted, the argument > will be easier once we have module refinement, but in the meantime, > is it really that likely that your app is going to have a better use > for something like Symbol#matches than to get an ARel Matches node? > > In any case, it's been working out alright for the DataMapper guys for > a while now, and I've not heard any reports of anarchy, cats sleeping > with dogs, etc... > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Core" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/rubyonrails-core?hl=en. > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-core?hl=en.
