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Option type

In programming languages (especially functional programming languages) and type theory, an option type or maybe type is a polymorphic type that represents encapsulation of an optional value; e.g., it is used as the return type of functions which may or may not return a meaningful value when they are applied. It consists of a constructor which either is…

Standards, Theoretical aspects & Examples

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Examples

Advanced semantic analysis

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Map overview Semantic statistics

Option type

Nodes20
Edges19
Triples44
Avg. degree1.9
Density0.1
Components1

How this topic connects Entity context

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Option type

Top relations

related to Ada · 5
Option type → Ada, Boolean, Example, Option, To
related to Theoretical aspects · 5
Option type → An, In, Tagged, The, This
related to Rocq · 4
Option type → In Rocq, None, Some, Type
related to Elm · 3
Option type → In Elm, Justa, Nothing
related to F# · 3
Option type → In, None, Someof'a
related to Haskell · 3
Option type → In Haskell, Justa, Nothing
related to Idris · 3
Option type → In Idris, Justa, Nothing
related to OCaml · 3
Option type → In OCaml, None, Some
related to Rust · 3
Option type → In Rust, None, Some
related to Standard ML · 3
Option type → In Standard ML, NONE, SOME

Important terminology Word statistics

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Important terminology

type option defined types optional none programming nullable standard tagged union value used functional maybe often justa nothing languages theory

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Option typeis aparticular case of a tagged union0.90text
Option typerelated to AdaAda0.60section
Option typerelated to AdaTo0.60section
Option typerelated to AdaOption0.60section
Option typerelated to AdaBoolean0.60section
Option typerelated to AdaExample0.60section
Option typerelated to AgdaIn Agda0.60section
Option typerelated to ATSIn ATS0.60section
Option typerelated to C++Since0.60section
Option typerelated to C++In0.60section
Option typerelated to ElmIn Elm0.60section
Option typerelated to ElmJusta0.60section

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    Min side: 3
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