Hello,

On Thu, Jun 6, 2013 at 4:12 PM, mrkn (Kenta Murata) <muraken / gmail.com> wrote:
> On Rails, they can be written in the following forms by using ActiveSupport's features.
>
> (1) (({hash = other_hash.slice(:key1, :key2, :key3)}))
> (2) (({hash = other_hash.reject(:key1, :key2, :key3}}))

Do you mean "other_hash.except(...)"? There is already Hash#reject