jhorstmann commented on code in PR #6336: URL: https://github.com/apache/arrow-rs/pull/6336#discussion_r1741964750
########## arrow-buffer/src/buffer/mutable.rs: ########## @@ -517,8 +674,18 @@ impl<T: ArrowNativeType> From<Vec<T>> for MutableBuffer { // Vec guaranteed to have a valid layout matching that of `Layout::array` // This is based on `RawVec::current_memory` let layout = unsafe { Layout::array::<T>(value.capacity()).unwrap_unchecked() }; + let zelf = Self { + data, + len, + layout, + #[cfg(not(feature = "allocator_api"))] + allocator: Global, + #[cfg(feature = "allocator_api")] + allocator: *value.allocator(), Review Comment: The `From` impl would benefit from having a type parameter for the allocator, otherwise the allocator here would always implicitly be the global one. That probably requires two separate impl blocks depending on the feature flag. The same would be useful for `Buffer::from_vec(Vec)`. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org