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errset.errset properties explaination

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The documentation does not give any further detail. Does someone know what is the meaning of this propreties?

errset( 1+"text" ) => nil
errset.errset =>  ("plus" 0 t nil ("*Error* plus: can't handle (1 + \"text\")"))

o, t, nil, what represent? They seem to be constants...

Thank you,

Giuseppe


Originally posted in cdnusers.org by Giuseppe Greco
Parents

  • I found some information on this. The format is this way for Franz Lisp compatibility - this is the Lisp variant that SKILL was originally based upon many years ago. The list consists of:

    * errorClass -- for us, the routine giving the error
    * errorNumber -- a unique number which is the current error count (in some cases)
    * continuableFlag -- always true
    * printSymbol -- reserved, set to NIL
    * messageData -- a list of one or two terms:
    * text of message string
    * additional instance specific information, if present.

    Regards,

    Andrew.


    Originally posted in cdnusers.org by adbeckett
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  • I found some information on this. The format is this way for Franz Lisp compatibility - this is the Lisp variant that SKILL was originally based upon many years ago. The list consists of:

    * errorClass -- for us, the routine giving the error
    * errorNumber -- a unique number which is the current error count (in some cases)
    * continuableFlag -- always true
    * printSymbol -- reserved, set to NIL
    * messageData -- a list of one or two terms:
    * text of message string
    * additional instance specific information, if present.

    Regards,

    Andrew.


    Originally posted in cdnusers.org by adbeckett
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