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New posts in functor
map behaviour with strings
Nov 06, 2025
haskell
functional-programming
functor
ramda.js
Store shared pointer in lambda to keep it alive
Nov 03, 2025
c++
c++11
lambda
shared-ptr
functor
How does <$ = (fmap . const) in Functor even work in Haskell?
Nov 03, 2025
haskell
functor
higher-order-functions
What is the relationship between a monoid and a functor?
Oct 27, 2025
functional-programming
functor
monoids
semigroup
Generalizing map-values in Racket
Oct 26, 2025
scheme
racket
functor
multiple-return-values
Numeric Map Over With Functor
Oct 19, 2025
scala
typeclass
functor
Is there any general functor (not limited to endofunctor) usage in programming? [closed]
Oct 19, 2025
javascript
haskell
functor
category-theory
How to use sort() in C++ with custom sort member function?
Oct 18, 2025
c++
sorting
functor
Partially applied function type (a ->) as Functor instance in Haskell
Sep 19, 2025
haskell
functor
inherit from std::function, syntax and usage?
Sep 17, 2025
c++
class
inheritance
c++11
functor
std::function can take functors?
Sep 18, 2025
function
c++11
functor
Haskell fmap over custom data type
Sep 14, 2025
haskell
polymorphism
functor
How are functors in Haskell related to functors in category theory?
Sep 14, 2025
haskell
functor
category-theory
confused about function as instance of Functor in haskell
Sep 12, 2025
haskell
functor
How do you chain an arbitrarily long series of atomic parsers using applicatives?
Mar 25, 2023
haskell
functional-programming
functor
applicative
alternative-functor
Composition of compositions in Haskell
Mar 18, 2023
haskell
functional-programming
functor
Why is there no type class for monoids on functors in Haskell?
Mar 19, 2023
haskell
typeclass
functor
monoids
alternative-functor
Avoiding use of unsafeCoerce in Hughes' list functor instance
Mar 18, 2023
haskell
typeclass
functor
coercion
difference-lists
Why is `fmap` needed to call `succ` on a `Maybe Integer`?
Mar 04, 2023
haskell
types
functor
map-function
collatz
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