https://jasper-aa64.github.io/tags/copy-elision/Recent content in Copy-Elision on JasperHugoen-usMon, 12 Oct 2026 00:00:00 +0000https://jasper-aa64.github.io/posts/rvo-pure-functions/Mon, 12 Oct 2026 00:00:00 +0000https://jasper-aa64.github.io/posts/rvo-pure-functions/Returning a struct by value is usually free, so there’s no need for out-parameters; what to watch are the few patterns that always move or copy. Pure-function attributes are a promise to the compiler: right, and it calls less; wrong, and it’s undefined behavior.