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- Type_variable abstract "In type theory and programming languages, a type variable is a mathematical variable ranging over types. Even in programming languages that allow mutable variables, a type variable remains an abstraction, in the sense that it does not correspond to some memory locations.Programming languages that support parametric polymorphism make use of universally quantified type variables. Languages that support existential types make use of existentially quantified type variables. For example, the following OCaml code defines a polymorphic identity function that has a universally quantified type, which is printed by the interpreter on the 2nd line:# let id x = x ;;val id : 'a -> 'a = <fun>In mathematical notation, the type of the function id is , where is a type variable.".
- Type_variable wikiPageID "279701".
- Type_variable wikiPageRevisionID "602463877".
- Type_variable hasPhotoCollection Type_variable.
- Type_variable subject Category:Functional_programming.
- Type_variable comment "In type theory and programming languages, a type variable is a mathematical variable ranging over types. Even in programming languages that allow mutable variables, a type variable remains an abstraction, in the sense that it does not correspond to some memory locations.Programming languages that support parametric polymorphism make use of universally quantified type variables. Languages that support existential types make use of existentially quantified type variables.".
- Type_variable label "Type variable".
- Type_variable label "Zmienna typowa".
- Type_variable sameAs Zmienna_typowa.
- Type_variable sameAs m.07kbmm2.
- Type_variable sameAs Q636210.
- Type_variable sameAs Q636210.
- Type_variable wasDerivedFrom Type_variable?oldid=602463877.
- Type_variable isPrimaryTopicOf Type_variable.