# File lib/rubygame/mediabag.rb, line 83 def load_file(filename) case File::extname(filename).downcase[1..-1] when *(@@image_ext) return load_image(filename) when *(@@sound_ext) return load_sound(filename) else raise(ArgumentError,"Unrecognized file extension `%s': %s"% [File::extname(filename), filename]) end end