done

lib/python3.11/site-packages/narwhals/_arrow/series_struct.py

@@ -0,0 +1,15 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+import pyarrow.compute as pc
+
+from narwhals._arrow.utils import ArrowSeriesNamespace
+
+if TYPE_CHECKING:
+    from narwhals._arrow.series import ArrowSeries
+
+
+class ArrowSeriesStructNamespace(ArrowSeriesNamespace):
+    def field(self, name: str) -> ArrowSeries:
+        return self.with_native(pc.struct_field(self.native, name)).alias(name)