done

lib/python3.11/site-packages/narwhals/_compliant/window.py

@@ -0,0 +1,20 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Generic
+
+from narwhals._compliant.typing import NativeExprT_co
+
+if TYPE_CHECKING:
+    from collections.abc import Sequence
+
+__all__ = ["WindowInputs"]
+
+
+class WindowInputs(Generic[NativeExprT_co]):
+    __slots__ = ("order_by", "partition_by")
+
+    def __init__(
+        self, partition_by: Sequence[str | NativeExprT_co], order_by: Sequence[str]
+    ) -> None:
+        self.partition_by = partition_by
+        self.order_by = order_by