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Object Usage

Draft MDC Standard

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8.1.8 Object usage

An object is an identifiable, encapsulated entity that has state and that provides one or more services, called methods and properties. A service may be accessed from a routine. The only means of observing or changing the state or behavior of an object is by use of its service(s).

Objects are not named. A value of data type OREF (object reference) is a value that identifies an object in an implementation-specific way. A value may be of one of two data types: either data type OREF or data type MVAL.

A value of data type OREF may be assigned to an lvn and may be used only in certain specified contexts. (See 7.1.1.1.2 Values of data type OREF)

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Copyright © Standard Documents; 1977-2018 MUMPS Development Committee;
Copyright © Examples: 1995-2018 Ed de Moel;
Copyright © Annotations: 2003-2008 Jacquard Systems Research
Copyright © Annotations: 2008-2018 Ed de Moel.

Some specifications are "approved for inclusion in a future standard". Note that the MUMPS Development Committee cannot guarantee that such future standards will indeed be published.

This page most recently updated on 29-Dec-2003, 19:05:04 .

For comments, contact Ed de Moel (demoel@jacquardsystems.com)