From: Meghana Kop <lists@...>
Date: 2012-12-19T10:55:18+09:00
Subject: NoMethodError raised for using 'raise' in code.

I have a superclass called EntryForm. All sub-classes of this class need
to implement a function called draw(). To ensure that it is done so, I
declared it in the superclass and raise an error when a call is made to
the superclass's implementation of the fn instead of being implemented
in the sub-class.

However, when I tried to instantiate the sub-class StudentEntryForm(I
have not implemented draw() in Student... and expect NotImplementedError
to be raised.), I get the following error:
lib/Qt/qtruby4.rb:2401:in `method_missing': undefined method `raise' for
#<StudentEntryForm:0x000000022c5cc0> (NoMethodError)


  def draw()
    raise NotImplementedError, 'You must implement draw() in all of
EntryForm\'s sub-classes'
  end

Thanks!

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