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Re: [Axiom-developer] undocument "pattern matching" operator in Axiom in

From: Gabriel Dos Reis
Subject: Re: [Axiom-developer] undocument "pattern matching" operator in Axiom interpreter
Date: 03 Jan 2007 11:19:20 +0100

"Bill Page" <address@hidden> writes:

| I have not been able to find any documentation about the use
| of "is" in the Axiom interpreter. For example:


| Does anyone know where I can find out how to use "is" in the
| interpreter? Where is this defined in the the interpreter source
| code? Is this operator also defined in the SPAD language?

Two weeks ago, while looking at the "new compiler parser", I became
aware that new Boot's "is" and "isnt" are part of SPAD.  Have a look
at the parsing function npMatch in src/interp/cparse.boot.

-- Gaby

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