functor
In category theory, a functor F is an operator on types. F is also considered to
be a polymorphic operator on functions with the type
F : (a -> b) -> (F a -> F b).
Functors are a generalisation of the function "map". The type operator in
this case takes a type T and returns type "list of
T". The map function takes a function and applies it
to each element of a list.
(1995-02-07)
Nearby terms:
Function Graph Language « function key « Function
Point Analysis « functor » funky » FUNLOG »
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