first-class object

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English[edit]

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Noun[edit]

first-class object (plural first-class objects)

  1. (programming, languages) An entity that can be constructed at run-time, passed as a parameter, returned from a subroutine, or assigned into a variable.
  2. (programming, languages) An entity that can pass a value as a parameter, can be returned from a subroutine, and can be assigned into a variable. (This is the definition according to Raphael Finkel, who uses the terms of second- and third-class objects.)

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