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| author | David Thompson <dthompson2@worcester.edu> | 2021-10-07 20:17:50 -0400 |
|---|---|---|
| committer | David Thompson <dthompson2@worcester.edu> | 2021-10-07 20:17:50 -0400 |
| commit | 0e699be281c8dea53e589e08a5831837e0eae7ea (patch) | |
| tree | 4266aebec927b13ca56410be1901e3ee78dff49e /manuals/chickadee/Queues.html | |
| parent | 38daa330f2194de5f39cd41b270c89d7b2e94427 (diff) | |
Updates for Chickadee 0.8.0 and Guile-SDL2 0.7.0.
Diffstat (limited to 'manuals/chickadee/Queues.html')
| -rw-r--r-- | manuals/chickadee/Queues.html | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/manuals/chickadee/Queues.html b/manuals/chickadee/Queues.html new file mode 100644 index 0000000..1df6f78 --- /dev/null +++ b/manuals/chickadee/Queues.html @@ -0,0 +1,133 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 2017-2021 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. + + +* Chickadee: (chickadee). Game programming toolkit for Guile. + +The document was typeset with +http://www.texinfo.org/ (GNU 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>Queues (The Chickadee Game Toolkit)</title> + +<meta name="description" content="Queues (The Chickadee Game Toolkit)"> +<meta name="keywords" content="Queues (The Chickadee Game Toolkit)"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<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="Data-Structures.html" rel="up" title="Data Structures"> +<link href="Heaps.html" rel="next" title="Heaps"> +<link href="Array-Lists.html" rel="prev" title="Array Lists"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.indentedblock {margin-right: 0em} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.lisp {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} +span.nolinebreak {white-space: nowrap} +span.roman {font-family: initial; font-weight: normal} +span.sansserif {font-family: sans-serif; font-weight: normal} +ul.no-bullet {list-style: none} +@media (min-width: 1140px) { + body { + margin-left: 14rem; + margin-right: 4rem; + max-width: 52rem; + } +} + +@media (min-width: 800px) and (max-width: 1140px) { + body { + margin-left: 6rem; + margin-right: 4rem; + max-width: 52rem; + } +} + +@media (max-width: 800px) { + body { + margin: 1rem; + } +} + +--> +</style> +<link rel="stylesheet" type="text/css" href="https://dthompson.us/css/dthompson.css"> + + +</head> + +<body lang="en"> +<span id="Queues"></span><div class="header"> +<p> +Next: <a href="Heaps.html" accesskey="n" rel="next">Heaps</a>, Previous: <a href="Array-Lists.html" accesskey="p" rel="prev">Array Lists</a>, Up: <a href="Data-Structures.html" accesskey="u" rel="up">Data Structures</a> [<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="Queues-1"></span><h4 class="subsection">5.6.2 Queues</h4> + +<p>The <code>(chickadee data queue)</code> module provides a mutable queue that +is more memory efficient than Guile’s built-in <code>(ice-9 q)</code> +module. +</p> +<dl> +<dt id="index-make_002dqueue">Procedure: <strong>make-queue</strong></dt> +<dd><p>Return a new, empty queue. +</p></dd></dl> + +<dl> +<dt id="index-queue_003f">Procedure: <strong>queue?</strong> <em>obj</em></dt> +<dd><p>Return <code>#t</code> if <var>obj</var> is a queue. +</p></dd></dl> + +<dl> +<dt id="index-queue_002dempty_003f">Procedure: <strong>queue-empty?</strong> <em>queue</em></dt> +<dd><p>Return <code>#t</code> if <var>queue</var> is empty. +</p></dd></dl> + +<dl> +<dt id="index-queue_002dlength">Procedure: <strong>queue-length</strong> <em>queue</em></dt> +<dd><p>Return the current length of <var>queue</var>. +</p></dd></dl> + +<dl> +<dt id="index-enqueue_0021">Procedure: <strong>enqueue!</strong> <em>queue item</em></dt> +<dd><p>Add <var>item</var> to <var>queue</var>. +</p></dd></dl> + +<dl> +<dt id="index-dequeue_0021">Procedure: <strong>dequeue!</strong> <em>queue</em></dt> +<dd><p>Remove and return the first item in <var>queue</var>. +</p></dd></dl> + +<dl> +<dt id="index-queue_002dclear_0021">Procedure: <strong>queue-clear!</strong> <em>queue</em></dt> +<dd><p>Remove all items from <var>queue</var>. +</p></dd></dl> + + + + +</body> +</html> |