search_for_file

# File activesupport/lib/active_support/dependencies.rb, line 165
  def search_for_file(path_suffix)
    path_suffix = path_suffix + '.rb' unless path_suffix.ends_with? '.rb'
    load_paths.each do |root|
      path = File.join(root, path_suffix)
      return path if File.file? path
    end
    nil # Gee, I sure wish we had first_match ;-)
  end