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</a><h2 class="location"><a href="#">Assignment</a></h2><div class="sidebar-elems"><section><div class="block"><h3 class="sidebar-title"><a href="#required-methods">Required Methods</a></h3><ul><li><a href="#tymethod.assign_advice">assign_advice</a></li><li><a href="#tymethod.assign_fixed">assign_fixed</a></li><li><a href="#tymethod.copy">copy</a></li><li><a href="#tymethod.enable_selector">enable_selector</a></li><li><a href="#tymethod.enter_region">enter_region</a></li><li><a href="#tymethod.exit_region">exit_region</a></li><li><a href="#tymethod.fill_from_row">fill_from_row</a></li><li><a href="#tymethod.pop_namespace">pop_namespace</a></li><li><a href="#tymethod.push_namespace">push_namespace</a></li><li><a href="#tymethod.query_instance">query_instance</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div></section><h2 class="location"><a href="index.html">In halo2_proofs::plonk</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../halo2_proofs/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><button type="button" id="help-button" title="help">?</button><div id="settings-menu" tabindex="-1">
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<h1 class="fqn"><span class="in-band">Trait <a href="../index.html">halo2_proofs</a>::<wbr><a href="index.html">plonk</a>::<wbr><a class="trait" href="#">Assignment</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../src/halo2_proofs/plonk/circuit.rs.html#302-401">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="docblock item-decl"><pre class="rust trait"><code>pub trait Assignment<F: <a class="trait" href="../arithmetic/trait.Field.html" title="trait halo2_proofs::arithmetic::Field">Field</a>> {
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fn <a href="#tymethod.enter_region" class="fnname">enter_region</a><NR, N>(&mut self, name_fn: N)<br> <span class="where">where<br> NR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,<br> N: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> NR</span>;
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<span class="item-spacer"></span> fn <a href="#tymethod.exit_region" class="fnname">exit_region</a>(&mut self);
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<span class="item-spacer"></span> fn <a href="#tymethod.enable_selector" class="fnname">enable_selector</a><A, AR>(<br> &mut self, <br> annotation: A, <br> selector: &<a class="struct" href="struct.Selector.html" title="struct halo2_proofs::plonk::Selector">Selector</a>, <br> row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>><br> <span class="where">where<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> AR,<br> AR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>></span>;
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<span class="item-spacer"></span> fn <a href="#tymethod.query_instance" class="fnname">query_instance</a>(<br> &self, <br> column: <a class="struct" href="struct.Column.html" title="struct halo2_proofs::plonk::Column">Column</a><<a class="struct" href="struct.Instance.html" title="struct halo2_proofs::plonk::Instance">Instance</a>>, <br> row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../circuit/struct.Value.html" title="struct halo2_proofs::circuit::Value">Value</a><F>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>>;
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<span class="item-spacer"></span> fn <a href="#tymethod.assign_advice" class="fnname">assign_advice</a><V, VR, A, AR>(<br> &mut self, <br> annotation: A, <br> column: <a class="struct" href="struct.Column.html" title="struct halo2_proofs::plonk::Column">Column</a><<a class="struct" href="struct.Advice.html" title="struct halo2_proofs::plonk::Advice">Advice</a>>, <br> row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> to: V<br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> <a class="struct" href="../circuit/struct.Value.html" title="struct halo2_proofs::circuit::Value">Value</a><VR>,<br> VR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="enum.Assigned.html" title="enum halo2_proofs::plonk::Assigned">Assigned</a><F>>,<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> AR,<br> AR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>></span>;
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<span class="item-spacer"></span> fn <a href="#tymethod.assign_fixed" class="fnname">assign_fixed</a><V, VR, A, AR>(<br> &mut self, <br> annotation: A, <br> column: <a class="struct" href="struct.Column.html" title="struct halo2_proofs::plonk::Column">Column</a><<a class="struct" href="struct.Fixed.html" title="struct halo2_proofs::plonk::Fixed">Fixed</a>>, <br> row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> to: V<br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>><br> <span class="where">where<br> V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> <a class="struct" href="../circuit/struct.Value.html" title="struct halo2_proofs::circuit::Value">Value</a><VR>,<br> VR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="enum.Assigned.html" title="enum halo2_proofs::plonk::Assigned">Assigned</a><F>>,<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> AR,<br> AR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>></span>;
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<span class="item-spacer"></span> fn <a href="#tymethod.copy" class="fnname">copy</a>(<br> &mut self, <br> left_column: <a class="struct" href="struct.Column.html" title="struct halo2_proofs::plonk::Column">Column</a><<a class="enum" href="enum.Any.html" title="enum halo2_proofs::plonk::Any">Any</a>>, <br> left_row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> right_column: <a class="struct" href="struct.Column.html" title="struct halo2_proofs::plonk::Column">Column</a><<a class="enum" href="enum.Any.html" title="enum halo2_proofs::plonk::Any">Any</a>>, <br> right_row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>>;
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<span class="item-spacer"></span> fn <a href="#tymethod.fill_from_row" class="fnname">fill_from_row</a>(<br> &mut self, <br> column: <a class="struct" href="struct.Column.html" title="struct halo2_proofs::plonk::Column">Column</a><<a class="struct" href="struct.Fixed.html" title="struct halo2_proofs::plonk::Fixed">Fixed</a>>, <br> row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> to: <a class="struct" href="../circuit/struct.Value.html" title="struct halo2_proofs::circuit::Value">Value</a><<a class="enum" href="enum.Assigned.html" title="enum halo2_proofs::plonk::Assigned">Assigned</a><F>><br> ) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>>;
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<span class="item-spacer"></span> fn <a href="#tymethod.push_namespace" class="fnname">push_namespace</a><NR, N>(&mut self, name_fn: N)<br> <span class="where">where<br> NR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,<br> N: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> NR</span>;
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<span class="item-spacer"></span> fn <a href="#tymethod.pop_namespace" class="fnname">pop_namespace</a>(&mut self, gadget_name: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>);
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}</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>This trait allows a <a href="trait.Circuit.html" title="Circuit"><code>Circuit</code></a> to direct some backend to assign a witness
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for a constraint system.</p>
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</div></details><h2 id="required-methods" class="small-section-header">Required Methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><details class="rustdoc-toggle" open><summary><div id="tymethod.enter_region" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/halo2_proofs/plonk/circuit.rs.html#310-313">source</a></div><h4 class="code-header">fn <a href="#tymethod.enter_region" class="fnname">enter_region</a><NR, N>(&mut self, name_fn: N) <span class="where fmt-newline">where<br> NR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,<br> N: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> NR, </span></h4></div></summary><div class="docblock"><p>Creates a new region and enters into it.</p>
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<p>Panics if we are currently in a region (if <code>exit_region</code> was not called).</p>
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<p>Not intended for downstream consumption; use <a href="../circuit/trait.Layouter.html#method.assign_region"><code>Layouter::assign_region</code></a> instead.</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.exit_region" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/halo2_proofs/plonk/circuit.rs.html#322">source</a></div><h4 class="code-header">fn <a href="#tymethod.exit_region" class="fnname">exit_region</a>(&mut self)</h4></div></summary><div class="docblock"><p>Exits the current region.</p>
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<p>Panics if we are not currently in a region (if <code>enter_region</code> was not called).</p>
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<p>Not intended for downstream consumption; use <a href="../circuit/trait.Layouter.html#method.assign_region"><code>Layouter::assign_region</code></a> instead.</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.enable_selector" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/halo2_proofs/plonk/circuit.rs.html#325-333">source</a></div><h4 class="code-header">fn <a href="#tymethod.enable_selector" class="fnname">enable_selector</a><A, AR>(<br> &mut self, <br> annotation: A, <br> selector: &<a class="struct" href="struct.Selector.html" title="struct halo2_proofs::plonk::Selector">Selector</a>, <br> row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>> <span class="where fmt-newline">where<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> AR,<br> AR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>, </span></h4></div></summary><div class="docblock"><p>Enables a selector at the given row.</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.query_instance" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/halo2_proofs/plonk/circuit.rs.html#338">source</a></div><h4 class="code-header">fn <a href="#tymethod.query_instance" class="fnname">query_instance</a>(<br> &self, <br> column: <a class="struct" href="struct.Column.html" title="struct halo2_proofs::plonk::Column">Column</a><<a class="struct" href="struct.Instance.html" title="struct halo2_proofs::plonk::Instance">Instance</a>>, <br> row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../circuit/struct.Value.html" title="struct halo2_proofs::circuit::Value">Value</a><F>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>></h4></div></summary><div class="docblock"><p>Queries the cell of an instance column at a particular absolute row.</p>
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<p>Returns the cell’s value, if known.</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.assign_advice" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/halo2_proofs/plonk/circuit.rs.html#341-352">source</a></div><h4 class="code-header">fn <a href="#tymethod.assign_advice" class="fnname">assign_advice</a><V, VR, A, AR>(<br> &mut self, <br> annotation: A, <br> column: <a class="struct" href="struct.Column.html" title="struct halo2_proofs::plonk::Column">Column</a><<a class="struct" href="struct.Advice.html" title="struct halo2_proofs::plonk::Advice">Advice</a>>, <br> row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> to: V<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> <a class="struct" href="../circuit/struct.Value.html" title="struct halo2_proofs::circuit::Value">Value</a><VR>,<br> VR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="enum.Assigned.html" title="enum halo2_proofs::plonk::Assigned">Assigned</a><F>>,<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> AR,<br> AR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>, </span></h4></div></summary><div class="docblock"><p>Assign an advice column value (witness)</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.assign_fixed" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/halo2_proofs/plonk/circuit.rs.html#355-366">source</a></div><h4 class="code-header">fn <a href="#tymethod.assign_fixed" class="fnname">assign_fixed</a><V, VR, A, AR>(<br> &mut self, <br> annotation: A, <br> column: <a class="struct" href="struct.Column.html" title="struct halo2_proofs::plonk::Column">Column</a><<a class="struct" href="struct.Fixed.html" title="struct halo2_proofs::plonk::Fixed">Fixed</a>>, <br> row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> to: V<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>> <span class="where fmt-newline">where<br> V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> <a class="struct" href="../circuit/struct.Value.html" title="struct halo2_proofs::circuit::Value">Value</a><VR>,<br> VR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="enum" href="enum.Assigned.html" title="enum halo2_proofs::plonk::Assigned">Assigned</a><F>>,<br> A: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> AR,<br> AR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>, </span></h4></div></summary><div class="docblock"><p>Assign a fixed value</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.copy" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/halo2_proofs/plonk/circuit.rs.html#369-375">source</a></div><h4 class="code-header">fn <a href="#tymethod.copy" class="fnname">copy</a>(<br> &mut self, <br> left_column: <a class="struct" href="struct.Column.html" title="struct halo2_proofs::plonk::Column">Column</a><<a class="enum" href="enum.Any.html" title="enum halo2_proofs::plonk::Any">Any</a>>, <br> left_row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> right_column: <a class="struct" href="struct.Column.html" title="struct halo2_proofs::plonk::Column">Column</a><<a class="enum" href="enum.Any.html" title="enum halo2_proofs::plonk::Any">Any</a>>, <br> right_row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>></h4></div></summary><div class="docblock"><p>Assign two cells to have the same value</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.fill_from_row" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/halo2_proofs/plonk/circuit.rs.html#378-383">source</a></div><h4 class="code-header">fn <a href="#tymethod.fill_from_row" class="fnname">fill_from_row</a>(<br> &mut self, <br> column: <a class="struct" href="struct.Column.html" title="struct halo2_proofs::plonk::Column">Column</a><<a class="struct" href="struct.Fixed.html" title="struct halo2_proofs::plonk::Fixed">Fixed</a>>, <br> row: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.usize.html">usize</a>, <br> to: <a class="struct" href="../circuit/struct.Value.html" title="struct halo2_proofs::circuit::Value">Value</a><<a class="enum" href="enum.Assigned.html" title="enum halo2_proofs::plonk::Assigned">Assigned</a><F>><br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.unit.html">()</a>, <a class="enum" href="enum.Error.html" title="enum halo2_proofs::plonk::Error">Error</a>></h4></div></summary><div class="docblock"><p>Fills a fixed <code>column</code> starting from the given <code>row</code> with value <code>to</code>.</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.push_namespace" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/halo2_proofs/plonk/circuit.rs.html#390-393">source</a></div><h4 class="code-header">fn <a href="#tymethod.push_namespace" class="fnname">push_namespace</a><NR, N>(&mut self, name_fn: N) <span class="where fmt-newline">where<br> NR: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>,<br> N: <a class="trait" href="https://doc.rust-lang.org/nightly/core/ops/function/trait.FnOnce.html" title="trait core::ops::function::FnOnce">FnOnce</a>() -> NR, </span></h4></div></summary><div class="docblock"><p>Creates a new (sub)namespace and enters into it.</p>
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<p>Not intended for downstream consumption; use <a href="../circuit/trait.Layouter.html#method.namespace"><code>Layouter::namespace</code></a> instead.</p>
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</div></details><details class="rustdoc-toggle" open><summary><div id="tymethod.pop_namespace" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../src/halo2_proofs/plonk/circuit.rs.html#400">source</a></div><h4 class="code-header">fn <a href="#tymethod.pop_namespace" class="fnname">pop_namespace</a>(&mut self, gadget_name: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><<a class="struct" href="https://doc.rust-lang.org/nightly/alloc/string/struct.String.html" title="struct alloc::string::String">String</a>>)</h4></div></summary><div class="docblock"><p>Exits out of the existing namespace.</p>
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<p>Not intended for downstream consumption; use <a href="../circuit/trait.Layouter.html#method.namespace"><code>Layouter::namespace</code></a> instead.</p>
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</div></details></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><section id="impl-Assignment%3CF%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/halo2_proofs/dev.rs.html#298-465">source</a></span><a href="#impl-Assignment%3CF%3E" class="anchor"></a><h3 class="code-header in-band">impl<F: <a class="trait" href="../arithmetic/trait.Field.html" title="trait halo2_proofs::arithmetic::Field">Field</a> + <a class="trait" href="../arithmetic/trait.Group.html" title="trait halo2_proofs::arithmetic::Group">Group</a>> <a class="trait" href="trait.Assignment.html" title="trait halo2_proofs::plonk::Assignment">Assignment</a><F> for <a class="struct" href="../dev/struct.MockProver.html" title="struct halo2_proofs::dev::MockProver">MockProver</a><F></h3></section></div><script type="text/javascript" src="../../implementors/halo2_proofs/plonk/circuit/trait.Assignment.js" data-ignore-extern-crates="" async></script></section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="halo2_proofs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.63.0-nightly (10f4ce324 2022-06-22)" ></div>
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