pitrou commented on code in PR #49489:
URL: https://github.com/apache/arrow/pull/49489#discussion_r2995035570
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docs/source/cpp/api/array.rst:
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@@ -116,6 +116,17 @@ Chunked Arrays
:project: arrow_cpp
:members:
+Non-owning data class
+=====================
+
+.. warning::
+ As this class doesn't keep alive the objects and data it points to, their
Review Comment:
To be clear, this comment is about `ArraySpan`. I think in general people
should err on the safe side and use `ArrayData` rather than `ArraySpan`; the
latter is really for the cases where the `ArrayData` overhead would be too
much, and lifetime is clearly understood.
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