Add NOVA — capability + effect-typed research-preview language - #529
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Hesara2003 wants to merge 1 commit into
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Add NOVA — capability + effect-typed research-preview language#529Hesara2003 wants to merge 1 commit into
Hesara2003 wants to merge 1 commit into
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NOVA (ieeecsopen/NOVA) unifies object-capability security and row-typed effect systems: authority is an unforgeable token passed explicitly, and a function's effects are checked as part of its type signature, so a closure cannot silently launder captured capability into a pure-typed context. 0.2 research preview — the frontend type/effect checker and a reference interpreter are implemented and tested (49-test conformance suite); the platform-scale features in its design docs are not.
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Adds NOVA to the N section (alphabetical, between North-Hollywood Python and Nosica) and bumps the N-section and total counts.
NOVA unifies object-capability security and row-typed effect systems: authority to touch the outside world is an unforgeable token passed explicitly (never an ambient
import), and a function's effects are part of its checked type signature — so a closure that captures a capability can't be passed where a pure function is expected (checked statically, not just documented).Honest status disclosure since this is early: it's a 0.2 research preview. What's implemented and tested is the frontend (lexer/parser/type inference/effect+capability checker) and a reference interpreter, with a 49-test conformance suite and CI. A first-order native C backend exists for a subset of the language. The project's docs also describe a much larger platform vision (distributed runtime, WASM frontend, etc.) that is explicitly marked design-only, not implemented — the README and
docs/known-issues.mdare direct about the gap.