Function _create_dispatcher

src/py/reactpy/reactpy/core/hooks.py:319–326

(
    reducer: Callable[[_Type, _ActionType], _Type],
    set_state: Callable[[Callable[[_Type], _Type]], None],
)

def _create_dispatcher(
    reducer: Callable[[_Type, _ActionType], _Type],
    set_state: Callable[[Callable[[_Type], _Type]], None],
) -> Callable[[_ActionType], None]:
    def dispatch(action: _ActionType) -> None:
        set_state(lambda last_state: reducer(last_state, action))

    return dispatch


_CallbackFunc = TypeVar("_CallbackFunc", bound=Callable[..., Any])