<commit_before>module Virtual
  class PureMethodError < RuntimeError
    def initialize(message)
      super("Pure virtual (abstract) method #{message} must be implemented in subclass")
    end
  end

  module PureMethod
    def self.define(target_class, method_name)
      target_class.send :define_method, method_name do |*args|
        raise PureMethodError, "\"#{method_name}\" of #{target_class.name}"
      end
    end
  end
end<commit_msg>Ambiguity is removed from error message<commit_after>module Virtual
  class PureMethodError < RuntimeError
    def initialize(message)
      super("Pure virtual (abstract) method #{message} must be implemented")
    end
  end

  module PureMethod
    def self.define(target_class, method_name)
      target_class.send :define_method, method_name do |*args|
        raise PureMethodError, "\"#{method_name}\" of #{target_class.name}"
      end
    end
  end
end
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{'dir': 'git-commits-cleaned', 'id': '3365243', 'n_tokens_mistral': 268, 'n_tokens_neox': 259, 'n_words': 78}