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authorDavid Thompson <dthompson@vistahigherlearning.com>2020-11-19 20:50:56 -0500
committerDavid Thompson <dthompson@vistahigherlearning.com>2020-11-19 20:50:56 -0500
commit03f0340ae9df26b40855dd78216ff47738957851 (patch)
tree83ea1b646320b958b01757b8e7739783ecf68c91 /manuals/chickadee/Agendas.html
parentfc7097f7368b384f6dc52d32da763af90bd3564a (diff)
manuals: Update chickadee manual to 0.6.0.
Diffstat (limited to 'manuals/chickadee/Agendas.html')
-rw-r--r--manuals/chickadee/Agendas.html28
1 files changed, 19 insertions, 9 deletions
diff --git a/manuals/chickadee/Agendas.html b/manuals/chickadee/Agendas.html
index 93894c1..28189a6 100644
--- a/manuals/chickadee/Agendas.html
+++ b/manuals/chickadee/Agendas.html
@@ -18,7 +18,7 @@ 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 6.6, http://www.gnu.org/software/texinfo/ -->
+<!-- Created by GNU Texinfo 6.7, http://www.gnu.org/software/texinfo/ -->
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Agendas (The Chickadee Game Toolkit)</title>
@@ -28,12 +28,12 @@ http://www.texinfo.org/ (GNU Texinfo).
<meta name="resource-type" content="document">
<meta name="distribution" content="global">
<meta name="Generator" content="makeinfo">
-<link href="index.html#Top" rel="start" title="Top">
-<link href="Index.html#Index" rel="index" title="Index">
+<link href="index.html" rel="start" title="Top">
+<link href="Index.html" rel="index" title="Index">
<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
-<link href="Scripting.html#Scripting" rel="up" title="Scripting">
-<link href="Scripts.html#Scripts" rel="next" title="Scripts">
-<link href="Scripting.html#Scripting" rel="prev" title="Scripting">
+<link href="Scripting.html" rel="up" title="Scripting">
+<link href="Scripts.html" rel="next" title="Scripts">
+<link href="Scripting.html" rel="prev" title="Scripting">
<style type="text/css">
<!--
a.summary-letter {text-decoration: none}
@@ -82,7 +82,7 @@ ul.no-bullet {list-style: none}
<body lang="en">
<span id="Agendas"></span><div class="header">
<p>
-Next: <a href="Scripts.html#Scripts" accesskey="n" rel="next">Scripts</a>, Up: <a href="Scripting.html#Scripting" accesskey="u" rel="up">Scripting</a> &nbsp; [<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>
+Next: <a href="Scripts.html" accesskey="n" rel="next">Scripts</a>, Up: <a href="Scripting.html" accesskey="u" rel="up">Scripting</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p>
</div>
<hr>
<span id="Agendas-1"></span><h4 class="subsection">2.5.1 Agendas</h4>
@@ -107,7 +107,7 @@ the current time. This is where <code>after</code> comes in handy:
<p>Time units in the agenda are in no way connected to real time. It&rsquo;s
up to the programmer to decide what agenda time means. A simple and
effective approach is to map each call of the update procedure
-(see <a href="Kernel.html#Kernel">Kernel</a>) to 1 unit of agenda time, like so:
+(see <a href="Kernel.html">Kernel</a>) to 1 unit of agenda time, like so:
</p>
<div class="example">
<pre class="example">(define (update dt)
@@ -201,10 +201,20 @@ indefinitely if not specified.
time. Repeat this <var>n</var> times, or indefinitely if not specified.
</p></dd></dl>
+<p>It is also possible to schedule things that are not dependent on how
+much time passes. The agenda will periodically poll to see if any
+registered conditions are met.
+</p>
+<dl>
+<dt id="index-call_002dwhen">Procedure: <strong>call-when</strong> <em>pred thunk</em></dt>
+<dd><p>Call <var>thunk</var> sometime in the future when <var>pred</var> is satisfied
+(returns a value other than <code>#f</code>.)
+</p></dd></dl>
+
<hr>
<div class="header">
<p>
-Next: <a href="Scripts.html#Scripts" accesskey="n" rel="next">Scripts</a>, Up: <a href="Scripting.html#Scripting" accesskey="u" rel="up">Scripting</a> &nbsp; [<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>
+Next: <a href="Scripts.html" accesskey="n" rel="next">Scripts</a>, Up: <a href="Scripting.html" accesskey="u" rel="up">Scripting</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p>
</div>