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New posts in 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
What does the <> operator mean
Feb 17, 2023
haskell
operators
functor
C++: Function pointer as Template argument instead of functor
Feb 15, 2023
c++
templates
function-pointers
functor
Ascribing multiple OCaml Signatures to a Module
Feb 11, 2023
module
ocaml
functor
Why Can't I constexpr a bind?
Feb 01, 2023
c++
c++11
bind
functor
constexpr
confusion on using functor <$>
Jan 30, 2023
haskell
functor
How do C++ functor constructors get called when used with for_each or std::transform
Jan 21, 2023
c++
functor
Easier way to apply multiple arguments in Haskell
Jan 11, 2023
haskell
functional-programming
composition
functor
applicative
In applicative, how can `<*>` be represented in terms of `fmap_i, i=0,1,2,...`?
Jan 03, 2023
haskell
functor
applicative
How can I instance `Functor` for a type with two parameters?
Jan 03, 2023
haskell
functional-programming
typeclass
functor
parameterized-types
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