Method concat

xarray/tests/indexes.py:49–66

(
        cls,
        indexes: Sequence[Self],
        dim: Hashable,
        positions: Iterable[Iterable[int]] | None = None,
    )

    @classmethod
    def concat(
        cls,
        indexes: Sequence[Self],
        dim: Hashable,
        positions: Iterable[Iterable[int]] | None = None,
    ) -> Self:
        first = next(iter(indexes))
        if dim == "x":
            newx = PandasIndex.concat(
                tuple(i.x for i in indexes), dim=dim, positions=positions
            )
            newy = first.y
        elif dim == "y":
            newx = first.x
            newy = PandasIndex.concat(
                tuple(i.y for i in indexes), dim=dim, positions=positions
            )
        return cls(x=newx, y=newy)

    def isel(self, indexers: Mapping[Any, int | slice | np.ndarray | Variable]) -> Self:
        newx = self.x.isel({"x": indexers.get("x", slice(None))})