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Reversal vs Contravariance - What's the difference?

reversal | contravariance |

As nouns the difference between reversal and contravariance

is that reversal is the state of being reversed while contravariance is (label) the reversal of the order of data types acted upon by an operator.

As an adjective reversal

is intended to reverse; implying reversal.

reversal

English

Noun

(en noun)
  • The state of being reversed.
  • An instance of reversing.
  • A change in fortune; a change from being successful to having problems.

    • Adjective

    (-)
  • Intended to reverse; implying reversal.
    • (Bishop Burnet)

    contravariance

    English

    Noun

  • (label) The reversal of the order of data types acted upon by an operator
  • (label) A functor which reverses composition

    • See also

    * covariance

    Related terms

    * contravariant ----