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add Column.len, which returns Scalar, instead of Column.__len__ (returning int) #331

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Dec 7, 2023
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8 changes: 4 additions & 4 deletions spec/API_specification/dataframe_api/column_object.py
Original file line number Diff line number Diff line change
Expand Up @@ -90,10 +90,6 @@ def name(self) -> str:
"""Return name of column."""
...

def __len__(self) -> int:
"""Return the number of rows."""
...

def __iter__(self) -> NoReturn:
"""Iterate over elements.

Expand Down Expand Up @@ -750,6 +746,10 @@ def var(
"""
...

def len(self) -> Scalar:
"""Return the number of rows."""
...

def n_unique(self, *, skip_nulls: bool = True) -> Scalar:
"""Return number of unique values.

Expand Down