> Is there a trade off in being stack efficient and speed? It's just rust being slightly less efficient: it spends instructions doing unnecessary stack-to-stac

> Is there a trade off in being stack efficient and speed? It's just rust being slightly less efficient: it spends instructions doing unnecessary stack-to-stack copies, and has larger stackframes (to hold the redundant copies, which can be an issue both with deep recursion and for inlining).