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<title>Comparators (reduced)</title>
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<h1>SRFI 128: Comparators (reduced)</h1>
<p class="authors">by John Cowan</p>
<p class="based-on"></p>
<p class="status">status: <em>final</em> (2016-02-14)</p>
<p class="keywords">keywords: <a href="https://srfi.schemers.org/?keywords=comparison">Comparison</a></p><span class="see-also">See also <a href="/srfi-114/">SRFI 114: Comparators</a> and <a href="/srfi-162/">SRFI 162: Comparators sublibrary</a>.</span>
<p class="library-name">library name: comparators</p>
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<li><a href="srfi-128.html">The SRFI Document</a></li>
<li><a href="https://srfi-email.schemers.org/srfi-128/">Discussion Archive</a></li>
<li><a href="https://github.com/scheme-requests-for-implementation/srfi-128">Git repo (on GitHub)</a></li>
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<h2>Abstract</h2> <p>This SRFI provides <i>comparators</i>, which bundle a type test predicate, an equality predicate, an ordering predicate, and a hash function (the last two are optional) into a single Scheme object. By packaging these procedures together, they can be treated as a single item for use in the implementation of data structures.</body></html>