On Thursday, November 15, 2012 5:16:14 PM UTC, Colin Law wrote:
>
>
> I was trying to ask the general question, that if one has a scope and
> a class method that perform exactly the same operation (such as the
> example in this thread), so
>
> scope :today_reservations, lambda { where("reserved_from > ? and
> reserved_to <= ?", Date.today, Date.today ) }
>
> and
>
> self.today_reservations
> where("reserved_from > ? and reserved_to <= ?", Date.today, Date.today
> ) }
> end
>
> Is there actually any difference between the two, or is the former
> just a way of defining the latter in a railsy sort of way?
>
>
> I believe some consider the existance of scope :blah, ... to be an error -
it adds complexity internally and the potential for the super common lack
of lambda error without adding any functionality. I can't remember who said
it though.
Fred
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