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English
Noun
bottom type (plural bottom types)
- (type theory, programming) The type that is a subtype of all other types.
2017, Toby Weston, Scala for Java Developers: A Practical Primer, Apress, →ISBN, page 25:A new notion to many Java developers will be the idea that a class hierarchy can have common bottom types. These are types that are subtypes of all types. Scala's types Null
and Nothing
are both bottom types.
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