## ŚCLASSES References to user-defined and external classes

The niladic system function ŚCLASSES returns a vector of references to all the user-defined classes in the workspace, plus any references to external classes which have been retained in the workspace (typically by a call to the system function ŚGETCLASS or the system method ŚCLASSREF)

In this example, we have three user-defined classes in the workspace, and we also create a reference to the .Net `DateTime` class:

           )CLASSES
    LiteraryWork    Poem    Sonnet
          DT„'.net' ŚNEW 'System.DateTime' 2007 5 30
          CLASSDT„DT.ŚCLASSREF
          CLASSDT
    {.net:DateTime}
         ŚCLASSES
    {LiteraryWork} {Poem} {Sonnet} {.net:DateTime}

Topic: APLX Help : Help on APL language : System Functions & Variables : ŚCLASSES References to user-defined and external classes

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