Value::update performance enhancement & simplification#521

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zakalibit wants to merge 3 commits intoapache:trunkfrom

zakalibit:value_update_perf

Commits on Nov 8, 2021

- reduce branching in Value::update and is_(type) functions
Alex Revetchi
committed
- fix typo
Alex Revetchi
committed

Commits on Nov 21, 2021

- apply make format
zakalibit
committed