Data types | Generic programming | Type theory | Polymorphism (computer science)

Polymorphism (computer science)

In programming language theory and type theory, polymorphism is the provision of a single interface to entities of different types or the use of a single symbol to represent multiple different types. The concept is borrowed from a principle in biology where an organism or species can have many different forms or stages. The most commonly recognized major classes of polymorphism are: * Ad hoc polymorphism: defines a common interface for an arbitrary set of individually specified types. * Parametric polymorphism: not specifying concrete types and instead use abstract symbols that can substitute for any type. * Subtyping (also called subtype polymorphism or inclusion polymorphism): when a name denotes instances of many different classes related by some common superclass. (Wikipedia).

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From playlist Classify Polygons

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Related pages

Parametricity | Type class | Parametric polymorphism | System F | Duck typing | Data type | Lambda calculus | Template metaprogramming | Generics in Java | Inheritance (object-oriented programming) | Subtyping | Abstract data type | Bounded quantification | Multiple dispatch | Type system | Liskov substitution principle | Covariance and contravariance (computer science) | Structural type system | Numerical tower | Dynamic dispatch | Template (C++) | Type theory | Ad hoc polymorphism | Monomorphization