(self, ins)
DEF FN: define a function.
DEF FN: define a function.
DEF FN : define a function .
def _parse_def_fn(self, ins):
        """DEF FN: define a function."""
        ins.require_read((tk.FN,))
        yield self.parse_name(ins)
def _parse_def_fn ( self , ins ) : ins . require_read ( ( tk . FN , ) ) yield self . parse_name ( ins )