Ruby on Rails

With ActiveSupport from Rails it's also possible:
@providers = @authentications.map(&:provider)
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Thanks, Ivan Povalyukhin

On Dec 25, 7:35 am, Michael Pavling <pavl...@gmail.com> wrote:
> On 25 December 2010 15:23, Erwin <yves_duf...@mac.com> wrote:
>
> > I am always writing it in 2 lines : ( Array init then loading the
> > array )
>
> >    @providers = []
> >    @authentications.map {|authentification| @providers <<
> > authentification.provider }
>
> > Is there any Ruby writing for writing just one line ?
>
>    @providers = @authentications.map { |authentication|
> authentication.provider }

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