pdswan

" copy all this into a vim buffer, save it, then...
" source the file by typing :so %
" Now the vim buffer acts like a specialized application for mastering vim

" There are two queues, Study and Known.  Depending how confident you feel
" about the item you are currently learning, you can move it down several
" positions, all the way to the end of the Study queue, or to the Known
" queue.

" type ,, (that's comma comma)

pdswan

class Car
  def initialize(model, engine = ::Engine.new)
    @model = model
    @engine = engine
  end
  
  def running
    engine.running
  end