perf(stdune): avoid allocation in Nonempty_list.last - #81
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Signed-off-by: Antonio Nuno Monteiro <anmonteiro@gmail.com>
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Superseded by ocaml#16088. |
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Return the final element of a non-empty list directly instead of allocating an intermediate option.
A local benchmark removes two minor-heap words per call for lists longer than one element. The benchmark harness is not included.