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New posts in category-theory
What's the history behind the Functor type class?
Jun 01, 2018
haskell
functor
category-theory
Does * in (<*>) have a special meaning?
Nov 14, 2022
haskell
operators
naming-conventions
applicative
category-theory
What is a purpose of Zap Functor and zap function in Haskell?
Apr 15, 2022
haskell
functional-programming
functor
higher-order-functions
category-theory
Is this an accurate example of a Haskell Pullback?
Aug 21, 2018
haskell
category-theory
How is "a monoid on applicative functors" different than "a monoid in the category of endofunctors"?
Nov 20, 2022
monads
functor
applicative
category-theory
monoids
What kind of morphism is `filter` in category theory?
Aug 17, 2022
scala
haskell
functional-programming
category-theory
Name for a type constructor that is both a category and a monad?
Mar 18, 2022
haskell
agda
category-theory
Can I implement this newtype as a composition of other types?
Nov 03, 2022
haskell
category-theory
type-theory
type-kinds
polykinds
Every free monad over a ??? functor yields a comonad?
Jan 07, 2021
haskell
monads
category-theory
free-monad
comonad
Use cases for adjunctions in Haskell
Jan 28, 2022
haskell
functor
category-theory
How much is applicative really about applying, rather than "combining"?
Aug 31, 2021
haskell
type-constraints
applicative
category-theory
What are some types that discriminate between categories?
Sep 16, 2022
haskell
functional-programming
category-theory
could someone explain the connection between type covariance/contravariance and category theory?
Oct 16, 2022
covariance
contravariance
type-theory
category-theory
Identity function in Haskell has multiple inhabitants?
Sep 14, 2022
haskell
category-theory
Once I have an F-Algebra, can I define Foldable and Traversable in terms of it?
Dec 24, 2020
haskell
category-theory
recursion-schemes
Don't understand notation of morphisms in Monoid definition
May 15, 2021
haskell
category-theory
monoids
Why is `pure` only required for Applicative and not already for Functor? [duplicate]
Nov 18, 2022
haskell
functor
category-theory
What is the main difference between Free Monoid and Monoid?
Oct 15, 2022
haskell
functional-programming
category-theory
monoids
Can I model a list of successes with short circuiting failure via the composition of applicative functors?
Apr 07, 2018
haskell
algebra
applicative
category-theory
non-deterministic
How are uncurry and fanin related in category theory?
Oct 11, 2016
haskell
category-theory
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