metatype

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English[edit]

Etymology[edit]

meta- +‎ type

Noun[edit]

metatype (plural metatypes)

  1. (biology) A topotype of a species which is confirmed as belonging to that species by the author who originally described it
  2. (programming) The type of a type.
    Coordinate term: metaclass
    • 2015, Adam Freeman, Pro Design Patterns in Swift, Apress, →ISBN, page 199:
      The Type suffix specifies that this variable will be a metatype and not an object (meaning the implementation class and not an instance of it).
    • 2019, Matt Neuburg, iOS 13 Programming Fundamentals with Swift [] , O'Reilly Media, →ISBN, page 186:
      You can use a variable reference to a type (a metatype) to instantiate that type, but you can't just append parentheses to a variable reference: []