https://sub.fail/tags/subsumption/Recent content in Subsumption on Substitution Failurehttps://sub.fail/og-image.pnghttps://sub.fail/og-image.pngHugoen-gbSun, 25 Oct 2026 17:16:18 +0000https://sub.fail/posts/what-is-a-concept/Sun, 25 Oct 2026 17:16:18 +0000https://sub.fail/posts/what-is-a-concept/What you get when you evaluate a C++ concept, what you get when you don’t, and why it matters for reflection and subsumption.