This file is indexed.

/usr/share/doc/racket/unstable/sandbox.html is in racket-doc 6.1-4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"/><title>24&nbsp;Sandbox</title><link rel="stylesheet" type="text/css" href="../scribble.css" title="default"/><link rel="stylesheet" type="text/css" href="../racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-style.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../manual-racket.css" title="default"/><link rel="stylesheet" type="text/css" href="../doc-site.css" title="default"/><script type="text/javascript" src="../scribble-common.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../manual-racket.js"></script><script type="text/javascript" src="../doc-site.js"></script><script type="text/javascript" src="../local-redirect/local-redirect.js"></script><script type="text/javascript" src="../local-redirect/local-user-redirect.js"></script><!--[if IE 6]><style type="text/css">.SIEHidden { overflow: hidden; }</style><![endif]--></head><body id="doc-racket-lang-org"><div class="tocset"><div class="tocview"><div class="tocviewlist tocviewlisttopspace"><div class="tocviewtitle"><table cellspacing="0" cellpadding="0"><tr><td style="width: 1em;"><a href="javascript:void(0);" title="Expand/Collapse" class="tocviewtoggle" onclick="TocviewToggle(this,&quot;tocview_0&quot;);">&#9660;</a></td><td></td><td><a href="index.html" class="tocviewlink" data-pltdoc="x">Unstable:<span class="mywbr"> &nbsp;</span> May Change Without Warning</a></td></tr></table></div><div class="tocviewsublistonly" style="display: block;" id="tocview_0"><table cellspacing="0" cellpadding="0"><tr><td align="right">1&nbsp;</td><td><a href="guidelines.html" class="tocviewlink" data-pltdoc="x">Guidelines for Developing <span class="RktSym">unstable</span> Libraries</a></td></tr><tr><td align="right">2&nbsp;</td><td><a href="Automata__Compiling_State_Machines.html" class="tocviewlink" data-pltdoc="x">Automata:<span class="mywbr"> &nbsp;</span> Compiling State Machines</a></td></tr><tr><td align="right">3&nbsp;</td><td><a href="bytes.html" class="tocviewlink" data-pltdoc="x">Bytes</a></td></tr><tr><td align="right">4&nbsp;</td><td><a href="contract.html" class="tocviewlink" data-pltdoc="x">Contracts</a></td></tr><tr><td align="right">5&nbsp;</td><td><a href="wrapc.html" class="tocviewlink" data-pltdoc="x">Contracts for Macro Subexpressions</a></td></tr><tr><td align="right">6&nbsp;</td><td><a href="Debugging.html" class="tocviewlink" data-pltdoc="x">Debugging</a></td></tr><tr><td align="right">7&nbsp;</td><td><a href="Definitions.html" class="tocviewlink" data-pltdoc="x">Definitions</a></td></tr><tr><td align="right">8&nbsp;</td><td><a href="error.html" class="tocviewlink" data-pltdoc="x">Errors</a></td></tr><tr><td align="right">9&nbsp;</td><td><a href="future.html" class="tocviewlink" data-pltdoc="x">Futures</a></td></tr><tr><td align="right">10&nbsp;</td><td><a href="Functions.html" class="tocviewlink" data-pltdoc="x">Functions</a></td></tr><tr><td align="right">11&nbsp;</td><td><a href="Hash_Tables.html" class="tocviewlink" data-pltdoc="x">Hash Tables</a></td></tr><tr><td align="right">12&nbsp;</td><td><a href="class-iop.html" class="tocviewlink" data-pltdoc="x">Interface-<wbr></wbr>Oriented Programming for Classes</a></td></tr><tr><td align="right">13&nbsp;</td><td><a href="lazy-require.html" class="tocviewlink" data-pltdoc="x">Lazy Require</a></td></tr><tr><td align="right">14&nbsp;</td><td><a href="list.html" class="tocviewlink" data-pltdoc="x">Lists</a></td></tr><tr><td align="right">15&nbsp;</td><td><a href="Logging.html" class="tocviewlink" data-pltdoc="x">Logging</a></td></tr><tr><td align="right">16&nbsp;</td><td><a href="macro-testing.html" class="tocviewlink" data-pltdoc="x">Macro Testing</a></td></tr><tr><td align="right">17&nbsp;</td><td><a href="Mark_Parameters.html" class="tocviewlink" data-pltdoc="x">Mark Parameters</a></td></tr><tr><td align="right">18&nbsp;</td><td><a href="match.html" class="tocviewlink" data-pltdoc="x">Match</a></td></tr><tr><td align="right">19&nbsp;</td><td><a href="open-place.html" class="tocviewlink" data-pltdoc="x">Open <span class="RktSym"><span class="RktStxLink">place</span></span> expressions</a></td></tr><tr><td align="right">20&nbsp;</td><td><a href="options.html" class="tocviewlink" data-pltdoc="x">Option Contracts</a></td></tr><tr><td align="right">21&nbsp;</td><td><a href="Parameter_Groups.html" class="tocviewlink" data-pltdoc="x">Parameter Groups</a></td></tr><tr><td align="right">22&nbsp;</td><td><a href="Pretty-Printing.html" class="tocviewlink" data-pltdoc="x">Pretty-<wbr></wbr>Printing</a></td></tr><tr><td align="right">23&nbsp;</td><td><a href="recontract.html" class="tocviewlink" data-pltdoc="x">Re-<wbr></wbr>Contracting Identifiers</a></td></tr><tr><td align="right">24&nbsp;</td><td><a href="" class="tocviewselflink" data-pltdoc="x">Sandbox</a></td></tr><tr><td align="right">25&nbsp;</td><td><a href="sequence.html" class="tocviewlink" data-pltdoc="x">Sequences</a></td></tr><tr><td align="right">26&nbsp;</td><td><a href="string.html" class="tocviewlink" data-pltdoc="x">Strings</a></td></tr><tr><td align="right">27&nbsp;</td><td><a href="struct.html" class="tocviewlink" data-pltdoc="x">Structs</a></td></tr><tr><td align="right">28&nbsp;</td><td><a href="custom-write.html" class="tocviewlink" data-pltdoc="x">Struct Printing</a></td></tr><tr><td align="right">29&nbsp;</td><td><a href="syntax.html" class="tocviewlink" data-pltdoc="x">Syntax</a></td></tr><tr><td align="right">30&nbsp;</td><td><a href="temp-c.html" class="tocviewlink" data-pltdoc="x">Temporal Contracts:<span class="mywbr"> &nbsp;</span> Explicit Contract Monitors</a></td></tr><tr><td align="right">31&nbsp;</td><td><a href="unix-socket.html" class="tocviewlink" data-pltdoc="x">Unix Domain Sockets</a></td></tr><tr><td align="right">32&nbsp;</td><td><a href="2d.html" class="tocviewlink" data-pltdoc="x">2D Syntax</a></td></tr></table></div></div></div><div class="tocsub"><div class="tocsubtitle">On this page:</div><table class="tocsublist" cellspacing="0"><tr><td><a href="#%28def._%28%28lib._unstable%2Fsandbox..rkt%29._make-log-based-eval%29%29" class="tocsublink" data-pltdoc="x"><span class="RktSym"><span class="RktValLink">make-<wbr></wbr>log-<wbr></wbr>based-<wbr></wbr>eval</span></span></a></td></tr></table></div></div><div class="maincolumn"><div class="main"><div class="versionbox"><span class="version">6.1</span></div><div class="navsettop"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, &quot;6.1&quot;, &quot;../&quot;);" onfocus="this.style.color=&quot;black&quot;; this.style.textAlign=&quot;left&quot;; if (this.value == &quot;...search manuals...&quot;) this.value=&quot;&quot;;" onblur="if (this.value.match(/^ *$/)) { this.style.color=&quot;#888&quot;; this.style.textAlign=&quot;center&quot;; this.value=&quot;...search manuals...&quot;; }"/></form>&nbsp;&nbsp;<a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot(&quot;6.1&quot;);">top</a></span><span class="navright">&nbsp;&nbsp;<a href="recontract.html" title="backward to &quot;23 Re-Contracting Identifiers&quot;" data-pltdoc="x">&larr; prev</a>&nbsp;&nbsp;<a href="index.html" title="up to &quot;Unstable: May Change Without Warning&quot;" data-pltdoc="x">up</a>&nbsp;&nbsp;<a href="sequence.html" title="forward to &quot;25 Sequences&quot;" data-pltdoc="x">next &rarr;</a></span>&nbsp;</div><h3 x-source-module="(lib &quot;unstable/scribblings/unstable.scrbl&quot;)" x-part-tag="&quot;sandbox&quot;">24<tt>&nbsp;</tt><a name="(part._sandbox)"></a><a name="(mod-path._unstable/sandbox)"></a>Sandbox</h3><div class="SAuthorListBox"><span class="SAuthorList"><p class="author">Ryan Culpepper &lt;<a href="mailto:ryanc@racket-lang.org">ryanc@racket-lang.org</a>&gt;</p></span></div><p><div class="SIntrapara"></div><div class="SIntrapara">This library is <span style="font-style: italic">unstable</span>;
compatibility will not be maintained.
See <a href="index.html" data-pltdoc="x">Unstable: May Change Without Warning</a>
for more information.</div></p><p><table cellspacing="0" cellpadding="0" class="defmodule"><tr><td align="left"><span class="hspace">&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="http://download.racket-lang.org/docs/6.1/html/local-redirect/index.html?doc=reference&amp;rel=require.html%23%2528form._%2528%2528lib._racket%252Fprivate%252Fbase..rkt%2529._require%2529%2529&amp;version=6.1" class="RktStxLink Sq" data-pltdoc="x">require</a></span><span class="stt"> </span><a href="" class="RktModLink" data-pltdoc="x"><span class="RktSym">unstable/sandbox</span></a><span class="RktPn">)</span></td><td align="right"><span class="RpackageSpec"><span class="Smaller">&nbsp;package:</span> <span class="stt">racket-doc</span></span></td></tr></table></p><p><div class="SIntrapara"><blockquote class="SVInsetFlow"><table cellspacing="0" cellpadding="0" class="boxed RBoxed"><tr><td><blockquote class="SubFlow"><div class="RBackgroundLabel SIEHidden"><div class="RBackgroundLabelInner"><p>procedure</p></div></div><p class="RForeground"><span class="RktPn">(</span><a name="(def._((lib._unstable/sandbox..rkt)._make-log-based-eval))"></a><span title="Provided from: unstable/sandbox | Package: racket-doc"><span class="RktSym"><a href="#%28def._%28%28lib._unstable%2Fsandbox..rkt%29._make-log-based-eval%29%29" class="RktValDef RktValLink" data-pltdoc="x">make-log-based-eval</a></span></span><span class="hspace">&nbsp;</span><span class="RktVar">log-file</span><span class="hspace">&nbsp;</span><span class="RktVar">mode</span><span class="RktPn">)</span><span class="hspace">&nbsp;</span>&rarr;<span class="hspace">&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="http://download.racket-lang.org/docs/6.1/html/local-redirect/index.html?doc=reference&amp;rel=function-contracts.html%23%2528form._%2528%2528lib._racket%252Fcontract%252Fbase..rkt%2529._-%7E3e%2529%2529&amp;version=6.1" class="RktStxLink Sq" data-pltdoc="x"><span class="nobreak">-&gt;</span></a></span><span class="hspace">&nbsp;</span><span class="RktSym"><a href="http://download.racket-lang.org/docs/6.1/html/local-redirect/index.html?doc=reference&amp;rel=data-structure-contracts.html%23%2528def._%2528%2528lib._racket%252Fcontract%252Fprivate%252Fmisc..rkt%2529._any%252Fc%2529%2529&amp;version=6.1" class="RktValLink Sq" data-pltdoc="x">any/c</a></span><span class="hspace">&nbsp;</span><span class="RktSym"><a href="http://download.racket-lang.org/docs/6.1/html/local-redirect/index.html?doc=reference&amp;rel=data-structure-contracts.html%23%2528form._%2528%2528lib._racket%252Fcontract%252Fprivate%252Fmisc..rkt%2529._any%2529%2529&amp;version=6.1" class="RktStxLink Sq" data-pltdoc="x">any</a></span><span class="RktPn">)</span></p></blockquote></td></tr><tr><td><span class="hspace">&nbsp;&nbsp;</span><span class="RktVar">log-file</span><span class="hspace">&nbsp;</span>:<span class="hspace">&nbsp;</span><span class="RktSym"><a href="http://download.racket-lang.org/docs/6.1/html/local-redirect/index.html?doc=reference&amp;rel=Manipulating_Paths.html%23%2528def._%2528%2528lib._racket%252Fprivate%252Fmisc..rkt%2529._path-string%7E3f%2529%2529&amp;version=6.1" class="RktValLink Sq" data-pltdoc="x">path-string?</a></span></td></tr><tr><td><span class="hspace">&nbsp;&nbsp;</span><span class="RktVar">mode</span><span class="hspace">&nbsp;</span>:<span class="hspace">&nbsp;</span><span class="RktPn">(</span><span class="RktSym"><a href="http://download.racket-lang.org/docs/6.1/html/local-redirect/index.html?doc=reference&amp;rel=data-structure-contracts.html%23%2528def._%2528%2528lib._racket%252Fcontract%252Fbase..rkt%2529._or%252Fc%2529%2529&amp;version=6.1" class="RktValLink Sq" data-pltdoc="x">or/c</a></span><span class="hspace">&nbsp;</span><span class="RktVal">'</span><span class="RktVal">record</span><span class="hspace">&nbsp;</span><span class="RktVal">'</span><span class="RktVal">replay</span><span class="RktPn">)</span></td></tr></table></blockquote></div><div class="SIntrapara">Creates an evaluator (like <span class="RktSym"><a href="http://download.racket-lang.org/docs/6.1/html/local-redirect/index.html?doc=scribble&amp;rel=eval.html%23%2528def._%2528%2528lib._scribble%252Feval..rkt%2529._make-base-eval%2529%2529&amp;version=6.1" class="RktValLink Sq" data-pltdoc="x">make-base-eval</a></span>) that uses a log
file to either record or replay evaluations.</div></p><p>If <span class="RktVar">mode</span> is <span class="RktVal">'</span><span class="RktVal">record</span>, the evaluator records every
interaction to <span class="RktVar">log-file</span>, replacing <span class="RktVar">log-file</span> if it
already exists. The result of each interaction must be
<a href="http://download.racket-lang.org/docs/6.1/html/local-redirect/index.html?doc=reference&amp;rel=serialization.html&amp;version=6.1" class="Sq" data-pltdoc="x">serializable</a>.</p><p>If <span class="RktVar">mode</span> is <span class="RktVal">'</span><span class="RktVal">replay</span>, the evaluator uses the contents
of <span class="RktVar">log-file</span> instead of actually performing evaluatings. For
each interaction, it compares the term to evaluate against the next
interaction recorded in <span class="RktVar">log-file</span>. If the term matches, the
stored result is returned; if not, the evaluator raises an error
indicating that it is out of sync with <span class="RktVar">log-file</span>.</p><p>Use <span class="RktSym"><a href="#%28def._%28%28lib._unstable%2Fsandbox..rkt%29._make-log-based-eval%29%29" class="RktValLink" data-pltdoc="x">make-log-based-eval</a></span> to document libraries when the
embedded examples rely on external features that may not be present or
appropriately configured on all machines.</p><div class="navsetbottom"><span class="navleft"><form class="searchform"><input class="searchbox" style="color: #888;" type="text" value="...search manuals..." title="Enter a search string to search the manuals" onkeypress="return DoSearchKey(event, this, &quot;6.1&quot;, &quot;../&quot;);" onfocus="this.style.color=&quot;black&quot;; this.style.textAlign=&quot;left&quot;; if (this.value == &quot;...search manuals...&quot;) this.value=&quot;&quot;;" onblur="if (this.value.match(/^ *$/)) { this.style.color=&quot;#888&quot;; this.style.textAlign=&quot;center&quot;; this.value=&quot;...search manuals...&quot;; }"/></form>&nbsp;&nbsp;<a href="../index.html" title="up to the documentation top" data-pltdoc="x" onclick="return GotoPLTRoot(&quot;6.1&quot;);">top</a></span><span class="navright">&nbsp;&nbsp;<a href="recontract.html" title="backward to &quot;23 Re-Contracting Identifiers&quot;" data-pltdoc="x">&larr; prev</a>&nbsp;&nbsp;<a href="index.html" title="up to &quot;Unstable: May Change Without Warning&quot;" data-pltdoc="x">up</a>&nbsp;&nbsp;<a href="sequence.html" title="forward to &quot;25 Sequences&quot;" data-pltdoc="x">next &rarr;</a></span>&nbsp;</div></div></div><div id="contextindicator">&nbsp;</div></body></html>