lru_cache, remove redundant copy when updating queue position#867

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Hailios wants to merge 2 commits intoboostorg:developfrom Hailios:lru_cache_less_copy

+2-4

Commits on Aug 19, 2021

lru_cache, remove redundant copy when updating queue position
jakob lovhall
committed

Commits on Oct 5, 2021

review update 1. fix return to reference iterator rather than the no longer existing variable
jakob lovhall
committed