On Jan 12, 12:12 am, Yehuda Katz <[email protected]> wrote: > We use @_ivars in cases where an instance variable is to be used internally > in a module that will be mixed into a user's class or a class that will be > inherited by a user's class. > > For instance, we use @_ivars in ActionController::Base and modules mixed > into ActionController::Base.
Thanks for the explanation, Yehuda. Sounds logical. Jeff > Yehuda Katz > Developer | Engine Yard > (ph) 718.877.1325 > > > > On Mon, Jan 11, 2010 at 9:46 PM, Jeff <[email protected]> wrote: > > Hi, > > > I've noticed that some of the commits to rails edge lately are using a > > style where instance variables of a class start with a leading > > underscore. > > > Like in this commit: > >http://github.com/rails/rails/commit/8cb594a2e1808cd7d93f3593afed0414... > > > I see this variable: > > > @_env > > > I'm guessing it's to avoid naming conflicts when the module is > > included in a class? I don't recall seeing this style in other Ruby > > libraries (it harkens back to my C++ days), so I'm just wondering if > > there's a particular purpose behind it; and whether people who look to > > contribute code should be adopting this style, and in what situations. > > > Thanks, > > Jeff > > > -- > > 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]<rubyonrails-core%2Bunsubscrib > > [email protected]> > > . > > For more options, visit this group at > >http://groups.google.com/group/rubyonrails-core?hl=en.
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