Category-Theoretic Foundations of "STCLang: State Thread Composition as a Foundation for Monadic Dataflow Parallelism"

This manuscript gives a category-theoretic foundation to the composition of State Threads as a Foundation for Monadic Dataflow Parallelism. It serves as a supplementary formalization of the concepts introduced in the Article "STCLang: State Thread Composition as a Foundation for Monadic Dataflow Parallelism", as published in Proceedings of the 12th ACM SIGPLAN International Symposium on Haskell (Haskell'19).