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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="GitHub CI Status nonmax on crates.io nonmax docs"><title>nonmax - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../static.files/rustdoc-42caa33d.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="nonmax" data-themes="" data-resource-suffix="" data-rustdoc-version="1.84.0 (9fc6b4312 2025-01-07)" data-channel="1.84.0" data-search-js="search-92e6798f.js" data-settings-js="settings-0f613d39.js" ><script src="../static.files/storage-59e33391.js"></script><script defer src="../crates.js"></script><script defer src="../static.files/main-5f194d8c.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-893ab5e7.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-044be391.svg"></head><body class="rustdoc mod crate"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../nonmax/index.html">nonmax</a><span class="version">0.5.5</span></h2></div><div class="sidebar-elems"><ul class="block"><li><a id="all-types" href="all.html">All Items</a></li></ul><section id="rustdoc-toc"><h3><a href="#">Sections</a></h3><ul class="block top-toc"><li><a href="#example" title="Example">Example</a></li><li><a href="#features" title="Features">Features</a></li><li><a href="#minimum-supported-rust-version-msrv" title="Minimum Supported Rust Version (MSRV)">Minimum Supported Rust Version (MSRV)</a></li></ul><h3><a href="#structs">Crate Items</a></h3><ul class="block"><li><a href="#structs" title="Structs">Structs</a></li></ul></section><div id="rustdoc-modnav"></div></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1>Crate <span>nonmax</span><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../src/nonmax/lib.rs.html#1-546">Source</a> </span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p><a href="https://github.com/LPGhatguy/nonmax/actions"><img src="https://github.com/LPGhatguy/nonmax/workflows/CI/badge.svg" alt="GitHub CI Status" /></a>
<a href="https://crates.io/crates/nonmax"><img src="https://img.shields.io/crates/v/nonmax.svg" alt="nonmax on crates.io" /></a>
<a href="https://docs.rs/nonmax"><img src="https://img.shields.io/badge/docs-docs.rs-orange.svg" alt="nonmax docs" /></a></p>
<p>nonmax provides types similar to the std <code>NonZero*</code> types, but instead requires
that their values are not the maximum for their type. This ensures that
<code>Option&lt;NonMax*&gt;</code> is no larger than <code>NonMax*</code>.</p>
<p>nonmax supports every type that has a corresponding non-zero variant in the
standard library:</p>
<ul>
<li><code>NonMaxI8</code></li>
<li><code>NonMaxI16</code></li>
<li><code>NonMaxI32</code></li>
<li><code>NonMaxI64</code></li>
<li><code>NonMaxI128</code></li>
<li><code>NonMaxIsize</code></li>
<li><code>NonMaxU8</code></li>
<li><code>NonMaxU16</code></li>
<li><code>NonMaxU32</code></li>
<li><code>NonMaxU64</code></li>
<li><code>NonMaxU128</code></li>
<li><code>NonMaxUsize</code></li>
</ul>
<h3 id="example"><a class="doc-anchor" href="#example">§</a>Example</h3>
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>nonmax::{NonMaxI16, NonMaxU8};
<span class="kw">let </span>value = NonMaxU8::new(<span class="number">16</span>).expect(<span class="string">"16 should definitely fit in a u8"</span>);
<span class="macro">assert_eq!</span>(value.get(), <span class="number">16</span>);
<span class="macro">assert_eq!</span>(std::mem::size_of_val(<span class="kw-2">&amp;</span>value), <span class="number">1</span>);
<span class="kw">let </span>signed = NonMaxI16::new(i16::min_value()).expect(<span class="string">"minimum values are fine"</span>);
<span class="macro">assert_eq!</span>(signed.get(), i16::min_value());
<span class="macro">assert_eq!</span>(std::mem::size_of_val(<span class="kw-2">&amp;</span>signed), <span class="number">2</span>);
<span class="kw">let </span>oops = NonMaxU8::new(<span class="number">255</span>);
<span class="macro">assert_eq!</span>(oops, <span class="prelude-val">None</span>);</code></pre></div>
<h3 id="features"><a class="doc-anchor" href="#features">§</a>Features</h3>
<ul>
<li><code>std</code> (default): implements <a href="https://doc.rust-lang.org/1.84.0/core/error/trait.Error.html" title="trait core::error::Error"><code>std::error::Error</code></a> for <a href="struct.ParseIntError.html" title="struct nonmax::ParseIntError"><code>ParseIntError</code></a> and
<a href="struct.TryFromIntError.html" title="struct nonmax::TryFromIntError"><code>TryFromIntError</code></a>. Disable this feature for
<a href="https://rust-embedded.github.io/book/intro/no-std.html"><code>#![no_std]</code></a> support.</li>
</ul>
<h3 id="minimum-supported-rust-version-msrv"><a class="doc-anchor" href="#minimum-supported-rust-version-msrv">§</a>Minimum Supported Rust Version (MSRV)</h3>
<p>nonmax supports Rust 1.47.0 and newer. Until this library reaches 1.0,
changes to the MSRV will require major version bumps. After 1.0, MSRV changes
will only require minor version bumps, but will need significant justification.</p>
</div></details><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><ul class="item-table"><li><div class="item-name"><a class="struct" href="struct.NonMaxI8.html" title="struct nonmax::NonMaxI8">NonMax<wbr>I8</a></div><div class="desc docblock-short">An integer that is known not to equal its maximum value.</div></li><li><div class="item-name"><a class="struct" href="struct.NonMaxI16.html" title="struct nonmax::NonMaxI16">NonMax<wbr>I16</a></div><div class="desc docblock-short">An integer that is known not to equal its maximum value.</div></li><li><div class="item-name"><a class="struct" href="struct.NonMaxI32.html" title="struct nonmax::NonMaxI32">NonMax<wbr>I32</a></div><div class="desc docblock-short">An integer that is known not to equal its maximum value.</div></li><li><div class="item-name"><a class="struct" href="struct.NonMaxI64.html" title="struct nonmax::NonMaxI64">NonMax<wbr>I64</a></div><div class="desc docblock-short">An integer that is known not to equal its maximum value.</div></li><li><div class="item-name"><a class="struct" href="struct.NonMaxI128.html" title="struct nonmax::NonMaxI128">NonMax<wbr>I128</a></div><div class="desc docblock-short">An integer that is known not to equal its maximum value.</div></li><li><div class="item-name"><a class="struct" href="struct.NonMaxIsize.html" title="struct nonmax::NonMaxIsize">NonMax<wbr>Isize</a></div><div class="desc docblock-short">An integer that is known not to equal its maximum value.</div></li><li><div class="item-name"><a class="struct" href="struct.NonMaxU8.html" title="struct nonmax::NonMaxU8">NonMax<wbr>U8</a></div><div class="desc docblock-short">An integer that is known not to equal its maximum value.</div></li><li><div class="item-name"><a class="struct" href="struct.NonMaxU16.html" title="struct nonmax::NonMaxU16">NonMax<wbr>U16</a></div><div class="desc docblock-short">An integer that is known not to equal its maximum value.</div></li><li><div class="item-name"><a class="struct" href="struct.NonMaxU32.html" title="struct nonmax::NonMaxU32">NonMax<wbr>U32</a></div><div class="desc docblock-short">An integer that is known not to equal its maximum value.</div></li><li><div class="item-name"><a class="struct" href="struct.NonMaxU64.html" title="struct nonmax::NonMaxU64">NonMax<wbr>U64</a></div><div class="desc docblock-short">An integer that is known not to equal its maximum value.</div></li><li><div class="item-name"><a class="struct" href="struct.NonMaxU128.html" title="struct nonmax::NonMaxU128">NonMax<wbr>U128</a></div><div class="desc docblock-short">An integer that is known not to equal its maximum value.</div></li><li><div class="item-name"><a class="struct" href="struct.NonMaxUsize.html" title="struct nonmax::NonMaxUsize">NonMax<wbr>Usize</a></div><div class="desc docblock-short">An integer that is known not to equal its maximum value.</div></li><li><div class="item-name"><a class="struct" href="struct.ParseIntError.html" title="struct nonmax::ParseIntError">Parse<wbr>IntError</a></div><div class="desc docblock-short">An error type returned when an integer cannot be parsed (mimics <a href="https://doc.rust-lang.org/1.84.0/core/num/error/struct.ParseIntError.html" title="struct core::num::error::ParseIntError">std::num::ParseIntError</a>)</div></li><li><div class="item-name"><a class="struct" href="struct.TryFromIntError.html" title="struct nonmax::TryFromIntError">TryFrom<wbr>IntError</a></div><div class="desc docblock-short">An error type returned when a checked integral type conversion fails (mimics <a href="https://doc.rust-lang.org/1.84.0/core/num/error/struct.TryFromIntError.html" title="struct core::num::error::TryFromIntError">std::num::TryFromIntError</a>)</div></li></ul></section></div></main></body></html>
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