# File lib/method_source.rb, line 51
  def self.lines_for(file_name, name=nil)
    @lines_for_file ||= {}
    @lines_for_file[file_name] ||= File.readlines(file_name)
  rescue Errno::ENOENT => e
    raise SourceNotFoundError, "Could not load source for #{name}: #{e.message}"
  end