SIGPLAN

SIGPLAN

@sigplan.bsky.social

The ACM Special Interest Group on Programming Languages.

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Generics, recursive types, and structural subtyping are all features that many modern languages want, but their combination can quickly get unwieldy. A POPL Distinguished Paper from last year distilled a decidable type system that combines all three. blog.sigplan.org/2025/01/29/p...

blog.sigplan.orgParametric Subtyping for Structural Parametric PolymorphismRecursive types, generics (sometimes called parametric polymorphism), and subtyping are all essential features for modern programming languages across numerous paradigms. However, structural subtyp…

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