The dataclass name will be 'cls_name'. 'fields' is an iterable
of either (name), (name, type) or (name, type, Field) objects. If type is
omitted, use the string 'typing.Any'. Field objects are created by
- calling 'field(name, type [, Field])'.
+ the equivalent of calling 'field(name, type [, Field-info])'.
- C = make_class('C', [('a', int', ('b', int, Field(init=False))], bases=Base)
+ C = make_class('C', ['x', ('y', int'), ('z', int, Field(init=False))], bases=[Base])
is equivalent to: