Victor Zverovich 4afd0e498e Simplify fill_n for appenders ... Hoist the loop-invariant is_constant_evaluated check into a guard, matching the fill_n overload for pointers. This lets the runtime path return out directly instead of relying on the scalar fallback being a no-op once n reaches 0, and leaves the fallback call only in the branch that needs it. Also cache buf.size() per iteration as buffer::append does, so the fill pointer is computed after try_resize rather than depending on it not reallocating.		2026-10-04 08:50:27 -07:00
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fmt	Simplify fill_n for appenders	2026-10-04 08:50:27 -07:00