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Support my open source work! My main interest is making category theory concepts useful in Haskell.

Featured work

  1. sjoerdvisscher/proarrow

    Haskell library for doing category theory with a central role for profunctors

    Haskell 23
  2. sjoerdvisscher/data-category

    Library of categories, with categorical constructions on them

    Haskell 57
  3. sjoerdvisscher/one-liner

    Constraint-based generics

    Haskell 49
  4. sjoerdvisscher/free-functors

    Provides free functors that are adjoint to functors that forget class constraints.

    Haskell 29
  5. sjoerdvisscher/unfoldable

    Class of data structures that can be unfolded.

    Haskell 22
  6. sjoerdvisscher/squares

    The double category of Hask functors and profunctors

    Haskell 8

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