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David Van Horn

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Webs and Flow-Directed Well-Typedness Preserving Program TransformationsPLDI 20252025-06-16
Defines webs as connected components of a bipartite function‑call graph and ships a web-centric IR that annotates every function, call, and arrow type so…
Talk on
Absynthe: Abstract Interpretation-Guided SynthesisPLDI 20232023-06-17
Framework uses user-defined abstract domains to prune families of candidate programs during enumerative search, infers abstract values for intermediate holes…
Talk
Corpse Reviver: Sound and Efficient Gradual Typing via Contract VerificationPOPL 20212021-01-17
Tool extracts Type Racket’s boundary contracts, runs the SCV symbolic verifier on the untyped client code, and selectively bypasses only those runtime checks…
Talk on
Basic Mechanics of Operational SemanticsPLMW @ ICFP 20202020-08-23
Crash course in reading operational rules: shows concrete syntax for a tiny arithmetic language, how to read inference rules and BNF, how big-step (natural)…
Talk
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