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add an __invert__ method to DataFrame #114

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Merged
merged 3 commits into from
Apr 13, 2023
Merged

add an __invert__ method to DataFrame #114

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e040de5
add __invert__
Mar 20, 2023
3082b48
document that valueerror must be raised if called in non-boolean data…
Apr 3, 2023
3566a84
Merge remote-tracking branch 'upstream/main' into invert
Apr 3, 2023
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21 changes: 21 additions & 0 deletions spec/API_specification/dataframe_api/dataframe_object.py
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Original file line number Diff line number Diff line change
Expand Up @@ -452,6 +452,17 @@ def __divmod__(self, other: DataFrame | Scalar) -> tuple[DataFrame, DataFrame]:
"""
...

def __invert__(self) -> DataFrame:
"""
Invert truthiness of (boolean) elements.

Raises
------
ValueError
If any of the DataFrame's columns is not boolean.
"""
...

def __iter__(self) -> NoReturn:
"""
Iterate over elements.
Expand All @@ -467,12 +478,22 @@ def __iter__(self) -> NoReturn:
def any(self, skipna: bool = True) -> DataFrame:
"""
Reduction returns a 1-row DataFrame.

Raises
------
ValueError
If any of the DataFrame's columns is not boolean.
"""
...

def all(self, skipna: bool = True) -> DataFrame:
"""
Reduction returns a 1-row DataFrame.

Raises
------
ValueError
If any of the DataFrame's columns is not boolean.
"""
...

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