diff options
Diffstat (limited to 'manuals/sly/Agendas.html')
-rw-r--r-- | manuals/sly/Agendas.html | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/manuals/sly/Agendas.html b/manuals/sly/Agendas.html deleted file mode 100644 index b30aa98..0000000 --- a/manuals/sly/Agendas.html +++ /dev/null @@ -1,163 +0,0 @@ -<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> -<html> -<!-- Copyright (C) 2013, 2014 David Thompson davet@gnu.org - -Permission is granted to copy, distribute and/or modify this document -under the terms of the GNU Free Documentation License, Version 1.3 -or any later version published by the Free Software Foundation; -with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. -A copy of the license is included in the section entitled "GNU -Free Documentation License". - -A copy of the license is also available from the Free Software -Foundation Web site at http://www.gnu.org/licenses/fdl.html. - - -The document was typeset with -http://www.texinfo.org/ (GNU Texinfo). - --> -<!-- Created by GNU Texinfo 6.0, http://www.gnu.org/software/texinfo/ --> -<head> -<title>Sly: Agendas</title> - -<meta name="description" content="Sly: Agendas"> -<meta name="keywords" content="Sly: Agendas"> -<meta name="resource-type" content="document"> -<meta name="distribution" content="global"> -<meta name="Generator" content="makeinfo"> -<meta charset="UTF-8"> -<link href="index.html#Top" rel="start" title="Top"> -<link href="Index.html#Index" rel="index" title="Index"> -<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> -<link href="Time.html#Time" rel="up" title="Time"> -<link href="Input.html#Input" rel="next" title="Input"> -<link href="Coroutines.html#Coroutines" rel="prev" title="Coroutines"> -<style type="text/css"> -<!-- -a.summary-letter {text-decoration: none} -blockquote.indentedblock {margin-right: 0em} -blockquote.smallindentedblock {margin-right: 0em; font-size: smaller} -blockquote.smallquotation {font-size: smaller} -div.display {margin-left: 3.2em} -div.example {margin-left: 3.2em} -div.lisp {margin-left: 3.2em} -div.smalldisplay {margin-left: 3.2em} -div.smallexample {margin-left: 3.2em} -div.smalllisp {margin-left: 3.2em} -kbd {font-style: oblique} -pre.display {font-family: inherit} -pre.format {font-family: inherit} -pre.menu-comment {font-family: serif} -pre.menu-preformatted {font-family: serif} -pre.smalldisplay {font-family: inherit; font-size: smaller} -pre.smallexample {font-size: smaller} -pre.smallformat {font-family: inherit; font-size: smaller} -pre.smalllisp {font-size: smaller} -span.nocodebreak {white-space: nowrap} -span.nolinebreak {white-space: nowrap} -span.roman {font-family: serif; font-weight: normal} -span.sansserif {font-family: sans-serif; font-weight: normal} -ul.no-bullet {list-style: none} ---> -</style> - - -</head> - -<body lang="en"> -<a name="Agendass"></a> -<div class="header"> -<p> -Previous: <a href="Coroutines.html#Coroutines" accesskey="p" rel="prev">Coroutines</a>, Up: <a href="Time.html#Time" accesskey="u" rel="up">Time</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html#Index" title="Index" rel="index">Index</a>]</p> -</div> -<hr> -<a name="Agendas-1"></a> -<h4 class="subsection">4.3.3 Agendas</h4> - -<div class="example"> -<pre class="example">(use-modules (sly agenda)) -</pre></div> - -<p>Agendas are used to schedule procedures to be called at distinct -points in time. One agenda, stored in the <code>current-agenda</code> -parameter, is active at any given time. A global agenda is initially -bound and is sufficient for most needs. When a separate scheduler is -required (see <a href="REPL.html#REPL">REPL</a> for one such case), the parameter can be -rebound using <code>parameterize</code> or <code>with-agenda</code> form. -</p> -<dl> -<dt><a name="index-make_002dagenda"></a>Scheme Procedure: <strong>make-agenda</strong></dt> -<dd><p>Create a new, empty agenda. -</p></dd></dl> - -<dl> -<dt><a name="index-agenda_003f"></a>Scheme Syntax: <strong>agenda?</strong> <em><var>obj</var></em></dt> -<dd><p>Return <code>#t</code> if <var>obj</var> is an agenda. -</p></dd></dl> - -<dl> -<dt><a name="index-current_002dagenda"></a>Scheme Variable: <strong>current-agenda</strong></dt> -<dd><p>A parameter containing the current, dynamically scoped agenda object. -</p></dd></dl> - -<dl> -<dt><a name="index-agenda_002dtime"></a>Scheme Procedure: <strong>agenda-time</strong></dt> -<dd><p>Return the time of the current agenda. -</p></dd></dl> - -<dl> -<dt><a name="index-with_002dagenda"></a>Scheme Syntax: <strong>with-agenda</strong> <em><var>agenda</var> <var>body</var> …</em></dt> -<dd><p>Evaluate <var>body</var> with <code>current-agenda</code> bound to <var>agenda</var>. -</p></dd></dl> - -<dl> -<dt><a name="index-agenda_002dtick_0021"></a>Scheme Procedure: <strong>agenda-tick!</strong></dt> -<dd><p>Increment time by 1 for the current agenda and run scheduled -procedures. -</p></dd></dl> - -<dl> -<dt><a name="index-agenda_002dclear_0021"></a>Scheme Procedure: <strong>agenda-clear!</strong></dt> -<dd><p>Remove all scheduled procedures from the current agenda. -</p></dd></dl> - -<dl> -<dt><a name="index-schedule"></a>Scheme Procedure: <strong>schedule</strong> <em><var>thunk</var> [<var>delay</var>]</em></dt> -<dd><p>Schedule <var>thunk</var> to be applied after <var>delay</var> ticks of the -current agenda. The default <var>delay</var> is one tick. -</p></dd></dl> - -<dl> -<dt><a name="index-schedule_002dinterval"></a>Scheme Procedure: <strong>schedule-interval</strong> <em><var>thunk</var> <var>interval</var></em></dt> -<dd><p>Schedule <var>thunk</var> to be applied every <var>interval</var> ticks of the -current agenda, forever. -</p></dd></dl> - -<dl> -<dt><a name="index-schedule_002deach"></a>Scheme Procedure: <strong>schedule-each</strong> <em><var>thunk</var></em></dt> -<dd><p>Schedule <var>thunk</var> to be applied upon every tick of the current -agenda, forever. -</p></dd></dl> - -<p><a href="Coroutines.html#Coroutines">Coroutines</a> become particularly useful for game programming when -combined with the agenda. For example, a computer controller opponent -could periodically pause its AI algorithm to give the rest of the game -world a chance to do some processing. By using the <code>wait</code> -procedure, algorithms that span multiple ticks of game time can be -written in a straightforward, natural way. -</p> -<dl> -<dt><a name="index-wait"></a>Scheme Procedure: <strong>wait</strong> <em><var>delay</var></em></dt> -<dd><p>Abort the current coroutine prompt and schedule the continuation to be -run after <var>delay</var> ticks of the current agenda. -</p></dd></dl> -<hr> -<div class="header"> -<p> -Previous: <a href="Coroutines.html#Coroutines" accesskey="p" rel="prev">Coroutines</a>, Up: <a href="Time.html#Time" accesskey="u" rel="up">Time</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html#Index" title="Index" rel="index">Index</a>]</p> -</div> - - - -</body> -</html> |