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Edit detail for OpenAxiom revision 14 of 36

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Editor: Bill Page
Time: 2008/05/26 20:24:25 GMT-7
Note: need result type

added:

From BillPage Mon May 26 20:24:24 -0700 2008
From: Bill Page
Date: Mon, 26 May 2008 20:24:24 -0700
Subject: need result type
Message-ID: <20080526202424-0700@axiom-wiki.newsynthesis.org>

\begin{spad}
)abbrev domain MAYBE Maybe
Maybe(T: Type):Type == Union(T,"failed")
\end{spad}


OpenAxiom Project (Fork)

Open source development project on SourceForge? with emphasis on becoming the "Axiom of Choice" by improving the build system through the further development of high-level languages such as BOOT and SPAD.

OpenAxiom? fork was created by Gabriel Dos Reis (http://parasol.tamu.edu/~gdr).

See also [FriCAS]?

When editing pages on this wiki you can specify which version/fork of Axiom you wish to use to execute the commands in the \begin{axiom} ... \end{axiom} environment. This page is currently set to 'Axiom: OpenAxiom?-20071209':

axiom
)version Value = "Sunday December 16, 2007 at 18:43:31 "

Any comments containing commands added here will use this friCAS version/fork. Other versions of OpenAxiom? may also be available and may be specified during edit.

OpenAxiomSources? | OpenAxiomBinaries? | SandBoxOpenAxiom?

need result type --Bill Page, Mon, 26 May 2008 20:24:24 -0700 reply
spad
)abbrev domain MAYBE Maybe Maybe(T: Type):Type == Union(T,"failed")
spad
   Compiling OpenAxiom source code from file 
      /var/zope2/var/LatexWiki/6798525157762352212-25px001.spad using 
      old system compiler.
   MAYBE abbreviates domain Maybe 
------------------------------------------------------------------------
   initializing NRLIB MAYBE for Maybe 
   compiling into NRLIB MAYBE 
;;;     ***       |Maybe| REDEFINED
;;;     ***       |Maybe| REDEFINED
Time: 0 SEC.
   Cumulative Statistics for Constructor Maybe
      Time: 0 seconds
--------------non extending category----------------------
.. Maybe #1 of cat 
(|Type|)   has no 
(|UnionCategory| |#1| "failed")    finalizing NRLIB MAYBE 
   Processing Maybe for Browser database:
--->-->Maybe(): Missing Description
------------------------------------------------------------------------
   Maybe is now explicitly exposed in frame initial 
   Maybe will be automatically loaded when needed from 
      /var/zope2/var/LatexWiki/MAYBE.NRLIB/code