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[Protocol] Make Column.get_buffers() docstring more explicit #272

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[Protocol] Make Column.get_buffers() docstring more explicit #272

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6 changes: 6 additions & 0 deletions protocol/dataframe_protocol.py
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Original file line number Diff line number Diff line change
Expand Up @@ -345,6 +345,12 @@ def get_buffers(self) -> ColumnBuffers:
"""
Return a dictionary containing the underlying buffers.

Each buffer has its own dtype which can be distinct from the
column's dtype. For example, a column with the ``STRING`` dtype
could be represented by two buffers: a "data" buffer with
dtype ``INT`` and bit width 8, and an "offsets" buffer with
dtype ``INT`` and bit width 32.

The returned dictionary has the following contents:

- "data": a two-element tuple whose first element is a buffer
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