Method wrapper

dask/utils.py:722–728

(func)

        """Register dispatch of `func` on arguments of type `type`"""

        def wrapper(func):
            if isinstance(type, tuple):
                for t in type:
                    self.register(t, func)
            else:
                self._lookup[type] = func
            return func

        return wrapper(func) if func is not None else wrapper