done

lib/python3.11/site-packages/narwhals/_ibis/selectors.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from narwhals._compliant import CompliantSelector, LazySelectorNamespace
+from narwhals._ibis.expr import IbisExpr
+
+if TYPE_CHECKING:
+    import ibis.expr.types as ir  # noqa: F401
+
+    from narwhals._ibis.dataframe import IbisLazyFrame  # noqa: F401
+    from narwhals._ibis.expr import IbisWindowFunction
+
+
+class IbisSelectorNamespace(LazySelectorNamespace["IbisLazyFrame", "ir.Value"]):
+    @property
+    def _selector(self) -> type[IbisSelector]:
+        return IbisSelector
+
+
+class IbisSelector(  # type: ignore[misc]
+    CompliantSelector["IbisLazyFrame", "ir.Value"], IbisExpr
+):
+    _window_function: IbisWindowFunction | None = None
+
+    def _to_expr(self) -> IbisExpr:
+        return IbisExpr(
+            self._call,
+            evaluate_output_names=self._evaluate_output_names,
+            alias_output_names=self._alias_output_names,
+            version=self._version,
+        )