<!DOCTYPE html><htmllang="en"><head><metacharset="utf-8"><metaname="viewport"content="width=device-width, initial-scale=1.0"><metaname="generator"content="rustdoc"><metaname="description"content="This structure contains precomputed constants and other details needed for performing operations on an evaluation domain of size $2^k$ and an extended domain of size $2^{k} * j$ with $j \neq 0$."><metaname="keywords"content="rust, rustlang, rust-lang, EvaluationDomain"><title>EvaluationDomain in halo2_proofs::poly - Rust</title><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceSerif4-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../FiraSans-Regular.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../FiraSans-Medium.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceCodePro-Regular.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceSerif4-Bold.ttf.woff2"><linkrel="preload"as="font"type="font/woff2"crossoriginhref="../../SourceCodePro-Semibold.ttf.woff2"><linkrel="stylesheet"href="../../normalize.css"><linkrel="stylesheet"href="../../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"href="../../ayu.css"disabled><linkrel="stylesheet"href="../../dark.css"disabled><linkrel="stylesheet"href="../../light.css"id="themeStyle"><scriptid="default-settings"></script><scriptsrc="../../storage.js"></script><scriptdefersrc="sidebar-items.js"></script><scriptdefersrc="../../main.js"></script><noscript><linkrel="stylesheet"href="../../noscript.css"></noscript><linkrel="alternate icon"type="image/png"href="../../favicon-16x16.png"><linkrel="alternate icon"type="image/png"href="../../favicon-32x32.png"><linkrel="icon"type="image/svg+xml"href="../../favicon.svg"><linkrel="stylesheet"href="https://cdn.jsdelivr.net/npm/katex@0.10.0/dist/katex.min.css"integrity="sha384-9eLZqc9ds8eNjO3TmqPeYcDj8n+Qfa4nuSiGYa6DjLNcv9BtN69ZIulL9+8CqC9Y"crossorigin="anonymous">
</head><bodyclass="rustdoc struct"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><navclass="mobile-topbar"><buttonclass="sidebar-menu-toggle">☰</button><aclass="sidebar-logo"href="../../halo2_proofs/index.html"><divclass="logo-container"><imgclass="rust-logo"src="../../rust-logo.svg"alt="logo"></div></a><h2class="location"></h2></nav><navclass="sidebar"><aclass="sidebar-logo"href="../../halo2_proofs/index.html"><divclass="logo-container"><imgclass="rust-logo"src="../../rust-logo.svg"alt="logo"></div></a><h2class="location"><ahref="#">EvaluationDomain</a></h2><divclass="sidebar-elems"><section><divclass="block"><h3class="sidebar-title"><ahref="#implementations">Methods</a></h3><ul><li><ahref="#method.coeff_from_vec">coeff_from_vec</a></li><li><ahref="#method.coeff_to_extended">coeff_to_extended</a></li><li><ahref="#method.constant_extended">constant_extended</a></li><li><ahref="#method.constant_lagrange">constant_lagrange</a></li><li><ahref="#method.divide_by_vanishing_poly">divide_by_vanishing_poly</a></li><li><ahref="#method.empty_coeff">empty_coeff</a></li><li><ahref="#method.empty_extended">empty_extended</a></li><li><ahref="#method.empty_lagrange">empty_lagrange</a></li><li><ahref="#method.extended_len">extended_len</a></li><li><ahref="#method.extended_to_coeff">extended_to_coeff</a></li><li><ahref="#method.get_extended_omega">get_extended_omega</a></li><li><ahref="#method.get_omega">get_omega</a></li><li><ahref="#method.get_omega_inv">get_omega_inv</a></li><li><ahref="#method.get_quotient_poly_degree">get_quotient_poly_degree</a></li><li><ahref="#method.l_i_range">l_i_range</a></li><li><ahref="#method.lagrange_from_vec">lagrange_from_vec</a></li><li><ahref="#method.lagrange_to_coeff">lagrange_to_coeff</a></li><li><ahref="#method.new">new</a></li><li><ahref="#method.pinned">pinned</a></li><li><ahref="#method.rotate_extended">rotate_extended</a></li><li><ahref="#method.rotate_omega">rotate_omega</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#trait-implementations">Trait Implementations</a></h3><ul><li><ahref="#impl-Clone-for-EvaluationDomain%3CG%3E">Clone</a></li><li><ahref="#impl-Debug-for-EvaluationDomain%3CG%3E">Debug</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#synthetic-implementations">Auto Trait Implementations</a></h3><ul><li><ahref="#impl-RefUnwindSafe-for-EvaluationDomain%3CG%3E">RefUnwindSafe</a></li><li><ahref="#impl-Send-for-EvaluationDomain%3CG%3E">Send</a></li><li><ahref="#impl-Sync-for-EvaluationDomain%3CG%3E">Sync</a></li><li><ahref="#impl-Unpin-for-EvaluationDomain%3CG%3E">Unpin</a></li><li><ahref="#impl-UnwindSafe-for-EvaluationDomain%3CG%3E">UnwindSafe</a></li></ul></div><divclass="block"><h3class="sidebar-title"><ahref="#blanket-implementations">Blanket Implementations</a></h3><ul><li><ahref="#impl-Any-for-EvaluationDomain%3CG%3E">Any</a></li><li><ahref="#impl-Borrow%3CT%3E-for-EvaluationDomain%3CG%3E">Borrow<T></a></li><li><ahref="#impl-BorrowMut%3CT%3E-for-EvaluationDomain%3CG%3E">BorrowMut<T></a></li><li><ahref="#impl-Conv-for-EvaluationDomain%3CG%3E">Conv</a></li><li><ahref="#impl-FmtForward-for-EvaluationDomain%3CG%3E">FmtForward</a></li><li><ahref="#impl-From%3CT%3E-for-EvaluationDomain%3CG%3E">From<T></a></li><li><ahref="#impl-Instrument-for-EvaluationDomain%3CG%3E">Instrument</a></li><li><ahref="#impl-Into%3CU%3E-for-EvaluationDomain%3CG%3E">Into<U></a></li><li><ahref="#impl-Pipe-for-EvaluationDomain%3CG%3E">Pipe</a></li><li><ahref="#impl-Pointable-for-EvaluationDomain%3CG%3E">Pointable</a></li><li><ahref="#impl-Tap-for-EvaluationDomain%3CG%3E">Tap</a></li><li><ahref="#impl-ToOwned-for-EvaluationDomain%3CG%3E">ToOwned</a></li><li><ahref="#impl-TryConv-for-EvaluationDomain%3CG%3E">TryConv</a></li><li><ahref="#impl-TryFrom%3CU%3E-for-EvaluationDomain%3CG%3E">TryFrom<U></a></li><li><ahref="#impl-TryInto%3CU%3E-for-EvaluationDomain%3CG%3E">TryInto<
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.lagrange_from_vec"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#147-154">source</a><h4class="code-header">pub fn <ahref="#method.lagrange_from_vec"class="fnname">lagrange_from_vec</a>(&self, values: <aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html"title="struct alloc::vec::Vec">Vec</a><G>) -><aclass="struct"href="struct.Polynomial.html"title="struct halo2_proofs::poly::Polynomial">Polynomial</a><G, <aclass="struct"href="struct.LagrangeCoeff.html"title="struct halo2_proofs::poly::LagrangeCoeff">LagrangeCoeff</a>></h4></section></summary><divclass="docblock"><p>Obtains a polynomial in Lagrange form when given a vector of Lagrange
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.coeff_from_vec"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#159-166">source</a><h4class="code-header">pub fn <ahref="#method.coeff_from_vec"class="fnname">coeff_from_vec</a>(&self, values: <aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html"title="struct alloc::vec::Vec">Vec</a><G>) -><aclass="struct"href="struct.Polynomial.html"title="struct halo2_proofs::poly::Polynomial">Polynomial</a><G, <aclass="struct"href="struct.Coeff.html"title="struct halo2_proofs::poly::Coeff">Coeff</a>></h4></section></summary><divclass="docblock"><p>Obtains a polynomial in coefficient form when given a vector of
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.lagrange_to_coeff"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#226-236">source</a><h4class="code-header">pub fn <ahref="#method.lagrange_to_coeff"class="fnname">lagrange_to_coeff</a>(<br> &self,<br> a: <aclass="struct"href="struct.Polynomial.html"title="struct halo2_proofs::poly::Polynomial">Polynomial</a><G, <aclass="struct"href="struct.LagrangeCoeff.html"title="struct halo2_proofs::poly::LagrangeCoeff">LagrangeCoeff</a>><br>) -><aclass="struct"href="struct.Polynomial.html"title="struct halo2_proofs::poly::Polynomial">Polynomial</a><G, <aclass="struct"href="struct.Coeff.html"title="struct halo2_proofs::poly::Coeff">Coeff</a>></h4></section></summary><divclass="docblock"><p>This takes us from an n-length vector into the coefficient form.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.coeff_to_extended"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#240-254">source</a><h4class="code-header">pub fn <ahref="#method.coeff_to_extended"class="fnname">coeff_to_extended</a>(<br> &self,<br> a: <aclass="struct"href="struct.Polynomial.html"title="struct halo2_proofs::poly::Polynomial">Polynomial</a><G, <aclass="struct"href="struct.Coeff.html"title="struct halo2_proofs::poly::Coeff">Coeff</a>><br>) -><aclass="struct"href="struct.Polynomial.html"title="struct halo2_proofs::poly::Polynomial">Polynomial</a><G, <aclass="struct"href="struct.ExtendedLagrangeCoeff.html"title="struct halo2_proofs::poly::ExtendedLagrangeCoeff">ExtendedLagrangeCoeff</a>></h4></section></summary><divclass="docblock"><p>This takes us from an n-length coefficient vector into a coset of the extended
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.extended_to_coeff"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#302-324">source</a><h4class="code-header">pub fn <ahref="#method.extended_to_coeff"class="fnname">extended_to_coeff</a>(<br> &self,<br> a: <aclass="struct"href="struct.Polynomial.html"title="struct halo2_proofs::poly::Polynomial">Polynomial</a><G, <aclass="struct"href="struct.ExtendedLagrangeCoeff.html"title="struct halo2_proofs::poly::ExtendedLagrangeCoeff">ExtendedLagrangeCoeff</a>><br>) -><aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html"title="struct alloc::vec::Vec">Vec</a><G><spanclass="notable-traits"><spanclass="notable-traits-tooltip">ⓘ<spanclass="notable-traits-tooltiptext"><spanclass="docblock"><spanclass="notable">Notable traits for <aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html"title="struct alloc::vec::Vec">Vec</a><<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, A></span><codeclass="content"><spanclass="where fmt-newline">impl<A><aclass="trait"href="https://doc.rust-lang.org/nightly/std/io/trait.Write.html"title="trait std::io::Write">Write</a> for <aclass="struct"href="https://doc.rust-lang.org/nightly/alloc/vec/struct.Vec.html"title="struct alloc::vec::Vec">Vec</a><<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>, A><spanclass="where fmt-newline">where<br> A: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/alloc/trait.Allocator.html"title="trait core::alloc::Allocator">Allocator</a>,</span></span></code></span></span></span></span></h4></section></summary><divclass="docblock"><p>This takes us from the extended evaluation domain and gets us the
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.divide_by_vanishing_poly"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#328-347">source</a><h4class="code-header">pub fn <ahref="#method.divide_by_vanishing_poly"class="fnname">divide_by_vanishing_poly</a>(<br> &self,<br> a: <aclass="struct"href="struct.Polynomial.html"title="struct halo2_proofs::poly::Polynomial">Polynomial</a><G, <aclass="struct"href="struct.ExtendedLagrangeCoeff.html"title="struct halo2_proofs::poly::ExtendedLagrangeCoeff">ExtendedLagrangeCoeff</a>><br>) -><aclass="struct"href="struct.Polynomial.html"title="struct halo2_proofs::poly::Polynomial">Polynomial</a><G, <aclass="struct"href="struct.ExtendedLagrangeCoeff.html"title="struct halo2_proofs::poly::ExtendedLagrangeCoeff">ExtendedLagrangeCoeff</a>></h4></section></summary><divclass="docblock"><p>This divides the polynomial (in the extended domain) by the vanishing
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.extended_len"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#385-387">source</a><h4class="code-header">pub fn <ahref="#method.extended_len"class="fnname">extended_len</a>(&self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><divclass="docblock"><p>Get the size of the extended domain</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.get_omega"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#390-392">source</a><h4class="code-header">pub fn <ahref="#method.get_omega"class="fnname">get_omega</a>(&self) -> G::<aclass="associatedtype"href="../arithmetic/trait.Group.html#associatedtype.Scalar"title="type halo2_proofs::arithmetic::Group::Scalar">Scalar</a></h4></section></summary><divclass="docblock"><p>Get $\omega$, the generator of the $2^k$ order multiplicative subgroup.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.get_omega_inv"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#396-398">source</a><h4class="code-header">pub fn <ahref="#method.get_omega_inv"class="fnname">get_omega_inv</a>(&self) -> G::<aclass="associatedtype"href="../arithmetic/trait.Group.html#associatedtype.Scalar"title="type halo2_proofs::arithmetic::Group::Scalar">Scalar</a></h4></section></summary><divclass="docblock"><p>Get $\omega^{-1}$, the inverse of the generator of the $2^k$ order
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.get_extended_omega"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#401-403">source</a><h4class="code-header">pub fn <ahref="#method.get_extended_omega"class="fnname">get_extended_omega</a>(&self) -> G::<aclass="associatedtype"href="../arithmetic/trait.Group.html#associatedtype.Scalar"title="type halo2_proofs::arithmetic::Group::Scalar">Scalar</a></h4></section></summary><divclass="docblock"><p>Get the generator of the extended domain’s multiplicative subgroup.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.rotate_omega"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#407-417">source</a><h4class="code-header">pub fn <ahref="#method.rotate_omega"class="fnname">rotate_omega</a>(&self, value: G::<aclass="associatedtype"href="../arithmetic/trait.Group.html#associatedtype.Scalar"title="type halo2_proofs::arithmetic::Group::Scalar">Scalar</a>, rotation: <aclass="struct"href="struct.Rotation.html"title="struct halo2_proofs::poly::Rotation">Rotation</a>) -> G::<aclass="associatedtype"href="../arithmetic/trait.Group.html#associatedtype.Scalar"title="type halo2_proofs::arithmetic::Group::Scalar">Scalar</a></h4></section></summary><divclass="docblock"><p>Multiplies a value by some power of $\omega$, essentially rotating over
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.get_quotient_poly_degree"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#474-476">source</a><h4class="code-header">pub fn <ahref="#method.get_quotient_poly_degree"class="fnname">get_quotient_poly_degree</a>(&self) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><divclass="docblock"><p>Gets the quotient polynomial’s degree (as a multiple of n)</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.pinned"class="method has-srclink"><aclass="srclink rightside"href="../../src/halo2_proofs/poly/domain.rs.html#481-487">source</a><h4class="code-header">pub fn <ahref="#method.pinned"class="fnname">pinned</a>(&self) -><aclass="struct"href="struct.PinnedEvaluationDomain.html"title="struct halo2_proofs::poly::PinnedEvaluationDomain">PinnedEvaluationDomain</a><'_, G></h4></section></summary><divclass="docblock"><p>Obtain a pinned version of this evaluation domain; a structure with the
<code>Debug</code>-formatted. <a>Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.fmt_lower_exp"class="method trait-impl has-srclink"><ahref="#method.fmt_lower_exp"class="anchor"></a><h4class="code-header">fn <aclass="fnname">fmt_lower_exp</a>(self) -> FmtLowerExp<Self><spanclass="where fmt-newline">where<br> Self: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.LowerExp.html"title="trait core::fmt::LowerExp">LowerExp</a>,</span></h4></section></summary><divclass='docblock'>Causes <code>self</code> to use its <code>LowerExp</code> implementation when
<code>Debug</code>-formatted. <a>Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.fmt_lower_hex"class="method trait-impl has-srclink"><ahref="#method.fmt_lower_hex"class="anchor"></a><h4class="code-header">fn <aclass="fnname">fmt_lower_hex</a>(self) -> FmtLowerHex<Self><spanclass="where fmt-newline">where<br> Self: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.LowerHex.html"title="trait core::fmt::LowerHex">LowerHex</a>,</span></h4></section></summary><divclass='docblock'>Causes <code>self</code> to use its <code>LowerHex</code> implementation when
<code>Debug</code>-formatted. <a>Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.fmt_octal"class="method trait-impl has-srclink"><ahref="#method.fmt_octal"class="anchor"></a><h4class="code-header">fn <aclass="fnname">fmt_octal</a>(self) -> FmtOctal<Self><spanclass="where fmt-newline">where<br> Self: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Octal.html"title="trait core::fmt::Octal">Octal</a>,</span></h4></section></summary><divclass='docblock'>Causes <code>self</code> to use its <code>Octal</code> implementation when <code>Debug</code>-formatted. <a>Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.fmt_pointer"class="method trait-impl has-srclink"><ahref="#method.fmt_pointer"class="anchor"></a><h4class="code-header">fn <aclass="fnname">fmt_pointer</a>(self) -> FmtPointer<Self><spanclass="where fmt-newline">where<br> Self: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.Pointer.html"title="trait core::fmt::Pointer">Pointer</a>,</span></h4></section></summary><divclass='docblock'>Causes <code>self</code> to use its <code>Pointer</code> implementation when
<code>Debug</code>-formatted. <a>Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.fmt_upper_exp"class="method trait-impl has-srclink"><ahref="#method.fmt_upper_exp"class="anchor"></a><h4class="code-header">fn <aclass="fnname">fmt_upper_exp</a>(self) -> FmtUpperExp<Self><spanclass="where fmt-newline">where<br> Self: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.UpperExp.html"title="trait core::fmt::UpperExp">UpperExp</a>,</span></h4></section></summary><divclass='docblock'>Causes <code>self</code> to use its <code>UpperExp</code> implementation when
<code>Debug</code>-formatted. <a>Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.fmt_upper_hex"class="method trait-impl has-srclink"><ahref="#method.fmt_upper_hex"class="anchor"></a><h4class="code-header">fn <aclass="fnname">fmt_upper_hex</a>(self) -> FmtUpperHex<Self><spanclass="where fmt-newline">where<br> Self: <aclass="trait"href="https://doc.rust-lang.org/nightly/core/fmt/trait.UpperHex.html"title="trait core::fmt::UpperHex">UpperHex</a>,</span></h4></section></summary><divclass='docblock'>Causes <code>self</code> to use its <code>UpperHex</code> implementation when
<code>Debug</code>-formatted. <a>Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.fmt_list"class="method trait-impl has-srclink"><ahref="#method.fmt_list"class="anchor"></a><h4class="code-header">fn <aclass="fnname">fmt_list</a>(self) -> FmtList<Self><spanclass="where fmt-newline">where<br> <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>Self: for<'a><aclass="trait"href="https://doc.rust-lang.org/nightly/core/iter/traits/collect/trait.IntoIterator.html"title="trait core::iter::traits::collect::IntoIterator">IntoIterator</a>,</span></h4></section></summary><divclass='docblock'>Formats each item in a sequence. <a>Read more</a></div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-From%3CT%3E-for-EvaluationDomain%3CG%3E"class="impl has-srclink"><aclass="srclink rightside"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#733">source</a><ahref="#impl-From%3CT%3E-for-EvaluationDomain%3CG%3E"class="anchor"></a><h3class="code-header">impl<T><aclass="trait"href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html"title="trait core::convert::From">From</a><T> for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.from"class="method trait-impl has-srclink"><spanclass="rightside"><spanclass="since"title="const unstable">const: <ahref="https://github.com/rust-lang/rust/issues/88674"title="Tracking issue for const_convert">unstable</a></span> · <aclass="srclink"href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#736">source</a></span><ahref="#method.from"class="anchor"></a><h4class="code-header">fn <ahref="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from"class="fnname">from</a>(t: T) -> T</h4></section></summary><divclass="docblock"><p>Returns the argument unchanged.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Instrument-for-EvaluationDomain%3CG%3E"class="impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/tracing/0.1.36/src/tracing/instrument.rs.html#276">source</a><ahref="#impl-Instrument-for-EvaluationDomain%3CG%3E"class="anchor"></a><h3class="code-header">impl<T><aclass="trait"href="https://docs.rs/tracing/0.1.36/tracing/instrument/trait.Instrument.html"title="trait tracing::instrument::Instrument">Instrument</a> for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.instrument"class="method trait-impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/tracing/0.1.36/src/tracing/instrument.rs.html#82">source</a><ahref="#method.instrument"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.36/tracing/instrument/trait.Instrument.html#method.instrument"class="fnname">instrument</a>(self, span: <aclass="struct"href="https://docs.rs/tracing/0.1.36/tracing/span/struct.Span.html"title="struct tracing::span::Span">Span</a>) -><aclass="struct"href="https://docs.rs/tracing/0.1.36/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'>Instruments this type with the provided <ahref="https://docs.rs/tracing/0.1.36/tracing/span/struct.Span.html"title="Span"><code>Span</code></a>, returning an
<code>Instrumented</code> wrapper. <ahref="https://docs.rs/tracing/0.1.36/tracing/instrument/trait.Instrument.html#method.instrument">Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.in_current_span"class="method trait-impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/tracing/0.1.36/src/tracing/instrument.rs.html#121">source</a><ahref="#method.in_current_span"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.36/tracing/instrument/trait.Instrument.html#method.in_current_span"class="fnname">in_current_span</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.36/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></section></summary><divclass='docblock'>Instruments this type with the <ahref="https://docs.rs/tracing/0.1.36/tracing/span/struct.Span.html#method.current">current</a><ahref="https://docs.rs/tracing/0.1.36/tracing/span/struct.Span.html"><code>Span</code></a>, returning an
function. <a>Read more</a></div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Pointable-for-EvaluationDomain%3CG%3E"class="impl has-srclink"><ahref="#impl-Pointable-for-EvaluationDomain%3CG%3E"class="anchor"></a><h3class="code-header">impl<T> Pointable for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedconstant.ALIGN"class="associatedconstant trait-impl has-srclink"><ahref="#associatedconstant.ALIGN"class="anchor"></a><h4class="code-header">const <aclass="constant">ALIGN</a>: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a> = mem::align_of::<T>()</h4></section></summary><divclass='docblock'>The alignment of pointer.</div></details><detailsclass="rustdoc-toggle"open><summary><sectionid="associatedtype.Init"class="associatedtype trait-impl has-srclink"><ahref="#associatedtype.Init"class="anchor"></a><h4class="code-header">type <aclass="associatedtype">Init</a> = T</h4></section></summary><divclass='docblock'>The type for initializers.</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.init"class="method trait-impl has-srclink"><ahref="#method.init"class="anchor"></a><h4class="code-header">unsafe fn <aclass="fnname">init</a>(init: <T as Pointable>::Init) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a></h4></section></summary><divclass='docblock'>Initializes a with the given initializer. <a>Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.deref"class="method trait-impl has-srclink"><ahref="#method.deref"class="anchor"></a><h4class="code-header">unsafe fn <aclass="fnname">deref</a><'a>(ptr: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a </a>T</h4></section></summary><divclass='docblock'>Dereferences the given pointer. <a>Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.deref_mut"class="method trait-impl has-srclink"><ahref="#method.deref_mut"class="anchor"></a><h4class="code-header">unsafe fn <aclass="fnname">deref_mut</a><'a>(ptr: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>) -><aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&'a mut </a>T</h4></section></summary><divclass='docblock'>Mutably dereferences the given pointer. <a>Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.drop"class="method trait-impl has-srclink"><ahref="#method.drop"class="anchor"></a><h4class="code-header">unsafe fn <aclass="fnname">drop</a>(ptr: <aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>)</h4></section></summary><divclass='docblock'>Drops the object pointed to by the given pointer. <a>Read more</a></div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"><summary><sectionid="impl-Tap-for-EvaluationDomain%3CG%3E"class="impl has-srclink"><ahref="#impl-Tap-for-EvaluationDomain%3CG%3E"class="anchor"></a><h3class="code-header">impl<T> Tap for T</h3></section></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.tap"class="method trait-impl has-srclink"><ahref="#method.tap"class="anchor"></a><h4class="code-header">fn <aclass="fnname">tap</a>(self, func: impl <aclass="trait"href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html"title="trait core::ops::function::FnOnce">FnOnce</a>(<aclass="primitive"href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)) -> Self</h4></sectio
<ahref="https://docs.rs/tracing/0.1.36/tracing/instrument/struct.WithDispatch.html"title="WithDispatch"><code>WithDispatch</code></a> wrapper. <ahref="https://docs.rs/tracing/0.1.36/tracing/instrument/trait.WithSubscriber.html#method.with_subscriber">Read more</a></div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><sectionid="method.with_current_subscriber"class="method trait-impl has-srclink"><aclass="srclink rightside"href="https://docs.rs/tracing/0.1.36/src/tracing/instrument.rs.html#221">source</a><ahref="#method.with_current_subscriber"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.36/tracing/instrument/trait.WithSubscriber.html#method.with_current_subscriber"class="fnname">with_current_subscriber</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.36/tracing/instrument/struct.WithDispatch.html"title="struct tracing::instrument::WithDispatch">WithDispatch</a><Self></h4></section></summary><divclass='docblock'>Attaches the current <ahref="https://docs.rs/tracing/0.1.36/tracing/dispatcher/index.html#setting-the-default-subscriber">default</a><ahref="https://docs.rs/tracing-core/0.1.22/tracing_core/subscriber/trait.Subscriber.html"><code>Subscriber</code></a> to this type, returning a
