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# Enums
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Rust allows you to define types called "enums" which enumerate possible values.
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Enums are a feature in many languages, but their capabilities differ in each language. Rust’s enums are most similar to algebraic data types in functional languages, such as F#, OCaml, and Haskell.
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Useful in combination with enums is Rust's "pattern matching" facility, which makes it easy to run different code for different values of an enumeration.
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## Further information
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- [Enums](https://doc.rust-lang.org/book/ch06-00-enums.html)
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- [Pattern syntax](https://doc.rust-lang.org/book/ch18-03-pattern-syntax.html)
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