Function _hash_add

Lib/dataclasses.py:943–949

(cls, fields, func_builder)

    cls.__hash__ = None

def _hash_add(cls, fields, func_builder):
    flds = [f for f in fields if (f.compare if f.hash is None else f.hash)]
    self_tuple = _tuple_str('self', flds)
    func_builder.add_fn('__hash__',
                        ('self',),
                        [f'  return hash({self_tuple})'],
                        unconditional_add=True)

def _hash_exception(cls, fields, func_builder):
    # Raise an exception.