contravariance

== English == === Etymology === From contra- + variance. === Pronunciation === === Noun === contravariance (countable and uncountable, plural contravariances) (object-oriented programming) The reversal of the order of data types acted upon by an operator. Coordinate term: covariance (category theory) A functor which reverses composition. (linear algebra) Of vectors, the property of scaling inversely with a change of basis, as opposed to covariance. ==== Related terms ==== contravariant ==== Translations ==== === Further reading === covariance and contravariance (computer science) on Wikipedia.Wikipedia covariance and contravariance of vectors on Wikipedia.Wikipedia == French == === Pronunciation === IPA(key): /kɔ̃.tʁa.va.ʁjɑ̃s/ === Noun === contravariance f (plural contravariances) (object-oriented programming) contravariance === Further reading === “contravariance”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012