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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="API documentation for the Rust `IntegerExt` trait in crate `hir_ty`."><title>IntegerExt in hir_ty::next_solver::util - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.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"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-e56847b5.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="hir_ty" data-themes="" data-resource-suffix="" data-rustdoc-version="1.91.1 (ed61e7d7e 2025-11-07)" data-channel="1.91.1" data-search-js="search-e256b49e.js" data-stringdex-js="stringdex-c3e638e9.js" data-settings-js="settings-c38705f0.js" ><script src="../../../static.files/storage-e2aeef58.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-6dc2a7f3.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-263c88ec.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">IntegerExt</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../hir_ty/index.html">hir_ty</a><span class="version">0.0.0</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Integer<wbr>Ext</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.from_int_ty" title="from_int_ty">from_int_ty</a></li><li><a href="#tymethod.from_uint_ty" title="from_uint_ty">from_uint_ty</a></li><li><a href="#tymethod.repr_discr" title="repr_discr">repr_discr</a></li><li><a href="#tymethod.to_ty" title="to_ty">to_ty</a></li></ul><h3><a href="#foreign-impls">Implementations on Foreign Types</a></h3><ul class="block"><li><a href="#impl-IntegerExt-for-Integer" title="Integer">Integer</a></li></ul><h3><a href="#dyn-compatibility">Dyn Compatibility</a></h3><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In hir_<wbr>ty::<wbr>next_<wbr>solver::<wbr>util</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">hir_ty</a>::<wbr><a href="../index.html">next_solver</a>::<wbr><a href="index.html">util</a></div><h1>Trait <span class="trait">Integer<wbr>Ext</span>&nbsp;<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/hir_ty/next_solver/util.rs.html#106-117">Source</a> </span></div><pre class="rust item-decl"><code>pub trait IntegerExt {
// Required methods
fn <a href="#tymethod.to_ty" class="fn">to_ty</a>&lt;'db&gt;(&amp;self, interner: <a class="struct" href="../interner/struct.DbInterner.html" title="struct hir_ty::next_solver::interner::DbInterner">DbInterner</a>&lt;'db&gt;, signed: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.bool.html">bool</a>) -&gt; <a class="struct" href="../struct.Ty.html" title="struct hir_ty::next_solver::Ty">Ty</a>&lt;'db&gt;;
<span class="item-spacer"></span> fn <a href="#tymethod.from_int_ty" class="fn">from_int_ty</a>&lt;C: HasDataLayout&gt;(cx: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.reference.html">&amp;C</a>, ity: <a class="enum" href="../../primitive/enum.IntTy.html" title="enum hir_ty::primitive::IntTy">IntTy</a>) -&gt; Integer;
<span class="item-spacer"></span> fn <a href="#tymethod.from_uint_ty" class="fn">from_uint_ty</a>&lt;C: HasDataLayout&gt;(cx: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.reference.html">&amp;C</a>, ity: <a class="enum" href="../../primitive/enum.UintTy.html" title="enum hir_ty::primitive::UintTy">UintTy</a>) -&gt; Integer;
<span class="item-spacer"></span> fn <a href="#tymethod.repr_discr" class="fn">repr_discr</a>&lt;'db&gt;(
interner: <a class="struct" href="../interner/struct.DbInterner.html" title="struct hir_ty::next_solver::interner::DbInterner">DbInterner</a>&lt;'db&gt;,
ty: <a class="struct" href="../struct.Ty.html" title="struct hir_ty::next_solver::Ty">Ty</a>&lt;'db&gt;,
repr: &amp;ReprOptions,
min: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.i128.html">i128</a>,
max: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.i128.html">i128</a>,
) -&gt; (Integer, <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.bool.html">bool</a>);
}</code></pre><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><section id="tymethod.to_ty" class="method"><a class="src rightside" href="../../../src/hir_ty/next_solver/util.rs.html#107">Source</a><h4 class="code-header">fn <a href="#tymethod.to_ty" class="fn">to_ty</a>&lt;'db&gt;(&amp;self, interner: <a class="struct" href="../interner/struct.DbInterner.html" title="struct hir_ty::next_solver::interner::DbInterner">DbInterner</a>&lt;'db&gt;, signed: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.bool.html">bool</a>) -&gt; <a class="struct" href="../struct.Ty.html" title="struct hir_ty::next_solver::Ty">Ty</a>&lt;'db&gt;</h4></section><section id="tymethod.from_int_ty" class="method"><a class="src rightside" href="../../../src/hir_ty/next_solver/util.rs.html#108">Source</a><h4 class="code-header">fn <a href="#tymethod.from_int_ty" class="fn">from_int_ty</a>&lt;C: HasDataLayout&gt;(cx: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.reference.html">&amp;C</a>, ity: <a class="enum" href="../../primitive/enum.IntTy.html" title="enum hir_ty::primitive::IntTy">IntTy</a>) -&gt; Integer</h4></section><section id="tymethod.from_uint_ty" class="method"><a class="src rightside" href="../../../src/hir_ty/next_solver/util.rs.html#109">Source</a><h4 class="code-header">fn <a href="#tymethod.from_uint_ty" class="fn">from_uint_ty</a>&lt;C: HasDataLayout&gt;(cx: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.reference.html">&amp;C</a>, ity: <a class="enum" href="../../primitive/enum.UintTy.html" title="enum hir_ty::primitive::UintTy">UintTy</a>) -&gt; Integer</h4></section><section id="tymethod.repr_discr" class="method"><a class="src rightside" href="../../../src/hir_ty/next_solver/util.rs.html#110-116">Source</a><h4 class="code-header">fn <a href="#tymethod.repr_discr" class="fn">repr_discr</a>&lt;'db&gt;(
interner: <a class="struct" href="../interner/struct.DbInterner.html" title="struct hir_ty::next_solver::interner::DbInterner">DbInterner</a>&lt;'db&gt;,
ty: <a class="struct" href="../struct.Ty.html" title="struct hir_ty::next_solver::Ty">Ty</a>&lt;'db&gt;,
repr: &amp;ReprOptions,
min: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.i128.html">i128</a>,
max: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.i128.html">i128</a>,
) -&gt; (Integer, <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.bool.html">bool</a>)</h4></section></div><h2 id="dyn-compatibility" class="section-header">Dyn Compatibility<a href="#dyn-compatibility" class="anchor">§</a></h2><div class="dyn-compatibility-info"><p>This trait is <b>not</b> <a href="https://doc.rust-lang.org/1.91.1/reference/items/traits.html#dyn-compatibility">dyn compatible</a>.</p><p><i>In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.</i></p></div><h2 id="foreign-impls" class="section-header">Implementations on Foreign Types<a href="#foreign-impls" class="anchor">§</a></h2><details class="toggle implementors-toggle"><summary><section id="impl-IntegerExt-for-Integer" class="impl"><a class="src rightside" href="../../../src/hir_ty/next_solver/util.rs.html#119-206">Source</a><a href="#impl-IntegerExt-for-Integer" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.IntegerExt.html" title="trait hir_ty::next_solver::util::IntegerExt">IntegerExt</a> for Integer</h3></section></summary><div class="impl-items"><details class="toggle method-toggle" open><summary><section id="method.repr_discr" class="method trait-impl"><a class="src rightside" href="../../../src/hir_ty/next_solver/util.rs.html#164-205">Source</a><a href="#method.repr_discr" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.repr_discr" class="fn">repr_discr</a>&lt;'db&gt;(
interner: <a class="struct" href="../interner/struct.DbInterner.html" title="struct hir_ty::next_solver::interner::DbInterner">DbInterner</a>&lt;'db&gt;,
ty: <a class="struct" href="../struct.Ty.html" title="struct hir_ty::next_solver::Ty">Ty</a>&lt;'db&gt;,
repr: &amp;ReprOptions,
min: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.i128.html">i128</a>,
max: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.i128.html">i128</a>,
) -&gt; (Integer, <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.bool.html">bool</a>)</h4></section></summary><div class="docblock"><p>Finds the appropriate Integer type and signedness for the given
signed discriminant range and <code>#[repr]</code> attribute.
N.B.: <code>u128</code> values above <code>i128::MAX</code> will be treated as signed, but
that shouldn’t affect anything, other than maybe debuginfo.</p>
</div></details><section id="method.to_ty" class="method trait-impl"><a class="src rightside" href="../../../src/hir_ty/next_solver/util.rs.html#121-135">Source</a><a href="#method.to_ty" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.to_ty" class="fn">to_ty</a>&lt;'db&gt;(&amp;self, interner: <a class="struct" href="../interner/struct.DbInterner.html" title="struct hir_ty::next_solver::interner::DbInterner">DbInterner</a>&lt;'db&gt;, signed: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.bool.html">bool</a>) -&gt; <a class="struct" href="../struct.Ty.html" title="struct hir_ty::next_solver::Ty">Ty</a>&lt;'db&gt;</h4></section><section id="method.from_int_ty" class="method trait-impl"><a class="src rightside" href="../../../src/hir_ty/next_solver/util.rs.html#137-147">Source</a><a href="#method.from_int_ty" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_int_ty" class="fn">from_int_ty</a>&lt;C: HasDataLayout&gt;(cx: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.reference.html">&amp;C</a>, ity: <a class="enum" href="../../primitive/enum.IntTy.html" title="enum hir_ty::primitive::IntTy">IntTy</a>) -&gt; Integer</h4></section><section id="method.from_uint_ty" class="method trait-impl"><a class="src rightside" href="../../../src/hir_ty/next_solver/util.rs.html#148-158">Source</a><a href="#method.from_uint_ty" class="anchor">§</a><h4 class="code-header">fn <a href="#tymethod.from_uint_ty" class="fn">from_uint_ty</a>&lt;C: HasDataLayout&gt;(cx: <a class="primitive" href="https://doc.rust-lang.org/1.91.1/std/primitive.reference.html">&amp;C</a>, ity: <a class="enum" href="../../primitive/enum.UintTy.html" title="enum hir_ty::primitive::UintTy">UintTy</a>) -&gt; Integer</h4></section></div></details><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"></div><script src="../../../trait.impl/hir_ty/next_solver/util/trait.IntegerExt.js" data-ignore-extern-crates="ra_ap_rustc_abi" async></script></section></div></main></body></html>