class BinData::DSLMixin::DSLBigAndLittleEndianHandler

def create_subclasses_with_endian(bnl_class)
  instance_eval "class ::#{bnl_class}Be < ::#{bnl_class}; endian :big; end"
  instance_eval "class ::#{bnl_class}Le < ::#{bnl_class}; endian :little; end"
end