title: Functor (disambiguation)
text: # Functor (disambiguation)
  
  A functor, in mathematics, is a map between categories.
  
  Functor may also refer to:
  
  * Predicate functor in logic, a basic concept of predicate functor logic
  * Function word in linguistics
  * In computer programming:
     * Functor (functional programming)
     * Function object used to pass function pointers along with state information
     * for use of the term in Prolog language, see Prolog syntax and semantics
     * In OCaml and Standard ML, a functor is a higher-order module (a module parameterized by one or more other modules), often used to define type-safe abstracted algorithms and data structures.
  