Implementing a settable derived primitive like that is already possible in SolidJS userspace. You can roll your own or simply use https://primitives.solidjs.com

Implementing a settable derived primitive like that is already possible in SolidJS userspace. You can roll your own or simply use https://primitives.solidjs.community/package/memo#createwritablememo https://primitives.solidjs.community/package/memo#createwrit....