🇬🇧 en fi 🇫🇮

functor noun

  /ˈfʌŋktə/
  • (object-oriented programming) A function object.
 funktio-olio
  • (category theory) A category homomorphism; a morphism from a source category to a target category which maps objects to objects and arrows to arrows (either covariantly or contravariantly), in such a way as to preserve morphism composition and identities.
 funktori
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