add right operations (#283)

Author: MarcoGorelli

spec/API_specification/dataframe_api/column_object.py

@@ -469,6 +469,25 @@ def __divmod__(self, other: Column | Scalar) -> tuple[Column, Column]:
         Column
         """
 
+    def __radd__(self: Column, other: Column | Scalar) -> Column:
+        ...
+    def __rsub__(self: Column, other: Column | Scalar) -> Column:
+        ...
+    def __rmul__(self, other: Column | Scalar) -> Column:
+        ...
+    def __rtruediv__(self, other: Column | Scalar) -> Column:
+        ...
+    def __rand__(self: Column, other: Column | bool) -> Column:
+        ...
+    def __ror__(self: Column, other: Column | bool) -> Column:
+        ...
+    def __rfloordiv__(self, other: Column | Scalar) -> Column:
+        ...
+    def __rpow__(self, other: Column | Scalar) -> Column:
+        ...
+    def __rmod__(self, other: Column | Scalar) -> Column:
+        ...
+
     def __invert__(self: Column) -> Column:
         """
         Invert truthiness of (boolean) elements.

spec/API_specification/dataframe_api/dataframe_object.py

@@ -617,6 +617,25 @@ def __divmod__(self, other: Scalar) -> tuple[DataFrame, DataFrame]:
         """
         ...
 
+    def __radd__(self, other: Scalar) -> DataFrame:
+        ...
+    def __rsub__(self, other: Scalar) -> DataFrame:
+        ...
+    def __rmul__(self, other: Scalar) -> DataFrame:
+        ...
+    def __rtruediv__(self, other: Scalar) -> DataFrame:
+        ...
+    def __rand__(self, other: Scalar) -> DataFrame:
+        ...
+    def __ror__(self, other: Scalar) -> DataFrame:
+        ...
+    def __rfloordiv__(self, other: Scalar) -> DataFrame:
+        ...
+    def __rpow__(self, other: Scalar) -> DataFrame:
+        ...
+    def __rmod__(self, other: Scalar) -> DataFrame:
+        ...
+
     def __invert__(self) -> DataFrame:
         """
         Invert truthiness of (boolean) elements.