treap, ffldb: add treapNodePool#2425

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kcalvinalvin:2025-09-20-add-treapnode-pool

Commits on Sep 20, 2025

treap: refactor the Put() code into exported and unexported versions
kcalvinalvin
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treap: add treapNodePool and fetch from it for cloneTreapNode and
kcalvinalvin
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Commits on Oct 30, 2025

Commits on Nov 14, 2025

treap, ffldb: change Put() to take in multiple key-value pairs
kcalvinalvin
committed