200. #[derive(Copy)] and #[inline] — Make Small Types Free to Pass Around

Sat, 13 Jun 2026 17:00:00 +0100

A two-field struct that you .clone() everywhere, behind a function the optimizer won’t inline across crates — that’s two small taxes you can stop paying. Copy deletes the move/drop bookkeeping, #[inline] lets the body fold into the caller.

Copy on rustbites

200. #[derive(Copy)] and #[inline] — Make Small Types Free to Pass Around