77 lines
3.2 KiB
HTML
77 lines
3.2 KiB
HTML
<!DOCTYPE html>
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<html>
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<!-- Created by GNU Texinfo 7.1, https://www.gnu.org/software/texinfo/ -->
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<!-- This manual documents Guile version 3.0.10.
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Copyright (C) 1996-1997, 2000-2005, 2009-2023 Free Software Foundation,
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Inc.
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Copyright (C) 2021 Maxime Devos
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Copyright (C) 2024 Tomas Volf
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with no
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Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A
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copy of the license is included in the section entitled "GNU Free
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Documentation License." -->
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<title>Hash Tables (Guile Reference Manual)</title>
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<meta name="description" content="Hash Tables (Guile Reference Manual)">
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<meta name="keywords" content="Hash Tables (Guile Reference Manual)">
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<link href="index.html" rel="start" title="Top">
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<link href="Concept-Index.html" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Data-Types.html" rel="up" title="Data Types">
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<link href="Other-Types.html" rel="next" title="Other Types">
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<link href="VHashes.html" rel="prev" title="VHashes">
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<style type="text/css">
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a.copiable-link {visibility: hidden; text-decoration: none; line-height: 0em}
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<link rel="stylesheet" type="text/css" href="https://www.gnu.org/software/gnulib/manual.css">
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</head>
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<body lang="en">
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<div class="subsection-level-extent" id="Hash-Tables">
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<div class="nav-panel">
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<p>
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Next: <a href="Other-Types.html" accesskey="n" rel="next">Other Types</a>, Previous: <a href="VHashes.html" accesskey="p" rel="prev">VList-Based Hash Lists or “VHashes”</a>, Up: <a href="Data-Types.html" accesskey="u" rel="up">Data Types</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<h4 class="subsection" id="Hash-Tables-1"><span>6.6.22 Hash Tables<a class="copiable-link" href="#Hash-Tables-1"> ¶</a></span></h4>
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<a class="index-entry-id" id="index-Hash-Tables"></a>
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<p>Hash tables are dictionaries which offer similar functionality as
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association lists: They provide a mapping from keys to values. The
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difference is that association lists need time linear in the size of
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elements when searching for entries, whereas hash tables can normally
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search in constant time. The drawback is that hash tables require a
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little bit more memory, and that you can not use the normal list
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procedures (see <a class="pxref" href="Lists.html">Lists</a>) for working with them.
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</p>
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<ul class="mini-toc">
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<li><a href="Hash-Table-Examples.html" accesskey="1">Hash Table Examples</a></li>
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<li><a href="Hash-Table-Reference.html" accesskey="2">Hash Table Reference</a></li>
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</ul>
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</div>
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</body>
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</html>
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