Method astype

xarray/tests/arrays.py:217–222

Needed because xarray will call this even when it's a no-op

(self, dtype: np.dtype, /, *, copy: bool = True)

        return NotImplemented

    def astype(self, dtype: np.dtype, /, *, copy: bool = True) -> Self:
        """Needed because xarray will call this even when it's a no-op"""
        if dtype != self.dtype:
            raise NotImplementedError()
        else:
            return self

    def __and__(self, other: Self) -> Self:
        return type(self)(self._array & other._array)