tustvold commented on code in PR #6790:
URL: https://github.com/apache/arrow-rs/pull/6790#discussion_r1858307737
##########
arrow-buffer/src/bytes.rs:
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@@ -96,6 +96,30 @@ impl Bytes {
}
}
+ /// Try to reallocate the underlying memory region to a new size (smaller
or larger).
+ ///
+ /// Only works for bytes allocated with the standard allocator.
+ /// Returns `Err` if the memory was allocated with a custom allocator,
+ /// or the call to `realloc` failed, for whatever reason.
+ /// In case of `Err`, the [`Bytes`] will remain as it was (i.e. have the
old size).
+ pub fn try_realloc(&mut self, new_len: usize) -> Result<(), ()> {
Review Comment:
I don't think this needs to be unsafe, however, Bytes is crate private so
worst case it won't be a breaking change to fix
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