shuding: partial derivatives give every UI element an exact velocity when props change
shuding · x · 2026-10-27
shuding shows the partial derivative ∂UI/∂prop assigns each card an exact velocity — direction and speed — for any prop change. It's computed in one pass through the function rather than measured via re-rendering and diffing.
Related event: Vercel's The Calculus of Interfaces Compiles React UI into Math Functions(11 posts)→
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