While implementing a different feature, I found that Labels.Get() was
performing a linear search. I wondered whether it would perform any
better with a binary search approach, and wrote a benchmark: the answer
is that it's probably doesn't worth it, so I just decided to leave the
benchmark and the results for the next reader.
Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
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