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\documentclass{article}
\usepackage{axiom}

\author{Gabriel Dos~Reis}

\begin{document}

\begin{abstract}
\end{abstract}

\tableofcontents
\eject

\section{The Hostname domain}

<<domain HOSTNAME Hostname>>=
)abbrev domain HOSTNAME Hostname
++ Author: Gabriel Dos Reis
++ Date Created: August 23, 2008
++ Date Last Modified: August 23, 2008
++ References: RFC 1034, RFC 1035
++ Description:  
++   This domain represents hostnames on computer network.
Hostname(): Public == Private where
  Public == Join(SetCategory, CoercibleTo String) with
    host: String -> %
      ++ host(n) constructs a Hostname from the name `n'.
  Private == add
    Rep == String
    host n == per n
    x = y == rep x = rep y
    coerce(x: %): String == rep x
    coerce(x: %): OutputForm == rep(x)::OutputForm

@

\section{The PortNumber domain}
<<domain PORTNUM PortNumber>>=
)abbrev domain PORTNUM PortNumber
++ Author: Gabriel Dos Reis
++ Date Created: August 23, 2008
++ Date Last Modified: August 23, 2008
++ Description:  
++   This domain represents network port numbers (notable TCP and UDP).
PortNumber(): Public == Private where
  Public == Join(SetCategory,CoercibleTo SingleInteger) with
    port: SingleInteger -> %
      ++ port(n) constructs a PortNumber from the integer `n'.
  Private == add
    Rep == SingleInteger
    port n == per n
    x = y == rep x = rep y
    coerce(x: %): SingleInteger == rep x
    coerce(x: %): OutputForm == rep(x)::OutputForm

@


\section{License}

<<license>>=
-- Copyright (C) 2007-2008, Gabriel Dos Reis.
-- All rights reserved.
-- 
-- Redistribution and use in source and binary forms, with or without
-- modification, are permitted provided that the following conditions are
-- met:
-- 
--     - Redistributions of source code must retain the above copyright
--       notice, this list of conditions and the following disclaimer.
-- 
--     - Redistributions in binary form must reproduce the above copyright
--       notice, this list of conditions and the following disclaimer in
--       the documentation and/or other materials provided with the
--       distribution.
-- 
--     - Neither the name of The Numerical Algorithms Group Ltd. nor the
--       names of its contributors may be used to endorse or promote products
--       derived from this software without specific prior written permission.
-- 
-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-- IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
-- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

@

<<*>>=
<<license>>
<<domain HOSTNAME Hostname>>
<<domain PORTNUM PortNumber>>

@

\end{document}