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New posts in monoids
A Monoid application to subtypes doesn't compile with append operator, but works when explicitly called
Aug 01, 2026
scala
scalaz
monoids
Relation between the Semigroupoid and Semigroup classes
Jul 12, 2026
haskell
category-theory
monoids
semigroup
category-abstractions
haskell, is IO Monoid associativity broken?
Jun 07, 2026
haskell
functional-programming
io
monads
monoids
Apply all filter functions to a value
May 27, 2026
scala
functional-programming
scalaz
scala-cats
monoids
What are the practical implications that both applicatives/monads preserve monoidal structure but in a slightly different way?
Apr 02, 2026
haskell
functional-programming
monads
applicative
monoids
How can I define Pair as a Monoid?
Mar 12, 2026
haskell
monoids
What are the implications of the differences between a monoid and a ring?
Jan 29, 2026
haskell
clojure
monoids
How do I call a monoid that also supports lifting?
Jan 24, 2026
list
haskell
monoids
Monad: Why does Identity matter, what's going to happen if there's no such special member in a set?
Dec 23, 2025
monads
category-theory
monoids
abstract-algebra
How to combine arrays of monoid type?
Dec 12, 2025
arrays
scala
monoids
scala-cats
What is the relationship between a monoid and a functor?
Oct 27, 2025
functional-programming
functor
monoids
semigroup
What is a cocartesian comonoid, and what is a cocartesian comonoidal functor?
Oct 20, 2025
haskell
applicative
category-theory
monoids
distributive
ZipList Monoid haskell
Oct 01, 2025
haskell
monoids
Is there a class that models "patches"?
Sep 06, 2025
haskell
discrete-mathematics
monoids
semigroup
Why is there no type class for monoids on functors in Haskell?
Mar 19, 2023
haskell
typeclass
functor
monoids
alternative-functor
Fold a Foldable of Maybe (Monoid) ignoring the missing values in Haskell
Mar 13, 2023
haskell
fold
option-type
monoids
Hiding typeclass instance declarations while importing in Haskell
Mar 06, 2023
haskell
typeclass
monoids
semigroup
How to use Monoid Scala?
Mar 04, 2023
scala
functional-programming
scalaz
scala-cats
monoids
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