Type class

A set of types for which certain operations or methods are defined.

E.g. the class Number might have methods for addition and subtraction.

Classes are a feature of object oriented languages and of the functional programming language Haskell.

See also inheritance.

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Tymshare, Inc. type type-ahead type-ahead search type assignment	class D Gofer Haskell User's Gofer System Isabelle	typed lambda-calculus TypedProlog typeface type inference type scheme