[Commented On] D10199: rust: Preallocate the returned `Vec` in `utils::files::relativize_path`

[SimonSapin]

SimonSapin added a comment.


  I haven’t measured memory at all but I’d expect the effect to be very small or not noticeable since this function is typically called for printing the return value to stdout then deallocating it immediately. We’re not accumulating many "relativized" paths in memory at any given time.

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  https://phab.mercurial-scm.org/D10199/new/

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To: SimonSapin, #hg-reviewers, Alphare
Cc: Alphare, mercurial-patches
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