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This talk introduces the Package Calculus, a formal model for dependency resolution that aims to unify and clarify the semantics of diverse package management systems.
Package Managers à la Carte: A Formal Model of Dependency Resolution (Video, ICFP 2026) Ryan T. Gibb, Patrick Ferris, David Allsopp, Thomas Gazagnaire, Anil Madhavapeddy (University of Cambridge, UK; University of Cambridge, UK; Jane Street, UK; Tarides, France; University of Cambridge, UK)