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<title>mentat_query_algebrizer::Known - Rust</title>
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<p class='location'>Struct Known</p><div class="sidebar-elems"><div class="block items"><a class="sidebar-title" href="#fields">Fields</a><div class="sidebar-links"><a href="#structfield.schema">schema</a><a href="#structfield.cache">cache</a></div><a class="sidebar-title" href="#methods">Methods</a><div class="sidebar-links"><a href="#method.for_schema">for_schema</a><a href="#method.new">new</a><a href="#method.is_attribute_cached_reverse">is_attribute_cached_reverse</a><a href="#method.is_attribute_cached_forward">is_attribute_cached_forward</a><a href="#method.get_values_for_entid">get_values_for_entid</a><a href="#method.get_value_for_entid">get_value_for_entid</a><a href="#method.get_entid_for_value">get_entid_for_value</a><a href="#method.get_entids_for_value">get_entids_for_value</a></div><a class="sidebar-title" href="#implementations">Trait Implementations</a><div class="sidebar-links"><a href="#impl-Clone">Clone</a><a href="#impl-Copy">Copy</a></div><a class="sidebar-title" href="#synthetic-implementations">Auto Trait Implementations</a><div class="sidebar-links"><a href="#impl-Send">!Send</a><a href="#impl-Sync">!Sync</a></div></div><p class='location'><a href='index.html'>mentat_query_algebrizer</a></p><script>window.sidebarCurrent = {name: 'Known', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script></div>
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<section id='main' class="content"><h1 class='fqn'><span class='in-band'>Struct <a href='index.html'>mentat_query_algebrizer</a>::<wbr><a class="struct" href=''>Known</a></span><span class='out-of-band'><span id='render-detail'>
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</span><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#72-75' title='goto source code'>[src]</a></span></h1><div class="docblock type-decl"><pre class='rust struct'>pub struct Known<'s, 'c> {
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pub schema: &'s Schema,
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pub cache: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&'c CachedAttributes>,
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}</pre></div><div class='docblock'><p>A convenience wrapper around things known in memory: the schema and caches.
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We use a trait object here to avoid making dozens of functions generic over the type
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of the cache. If performance becomes a concern, we should hard-code specific kinds of
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cache right here, and/or eliminate the Option.</p>
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<code>cache: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&'c CachedAttributes></code>
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<h3 id='impl' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'s, 'c> <a class="struct" href="../mentat_query_algebrizer/struct.Known.html" title="struct mentat_query_algebrizer::Known">Known</a><'s, 'c></code><a href='#impl' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#77-91' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.for_schema' class="method"><span id='for_schema.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.for_schema' class='fnname'>for_schema</a>(s: &'s Schema) -> <a class="struct" href="../mentat_query_algebrizer/struct.Known.html" title="struct mentat_query_algebrizer::Known">Known</a><'s, 'static></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#78-83' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.new' class="method"><span id='new.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.new' class='fnname'>new</a>(s: &'s Schema, c: <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&'c CachedAttributes>) -> <a class="struct" href="../mentat_query_algebrizer/struct.Known.html" title="struct mentat_query_algebrizer::Known">Known</a><'s, 'c></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#85-90' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div><h3 id='impl-1' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'s, 'c> <a class="struct" href="../mentat_query_algebrizer/struct.Known.html" title="struct mentat_query_algebrizer::Known">Known</a><'s, 'c></code><a href='#impl-1' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#95-127' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='docblock'><p>This is <code>CachedAttributes</code>, but with handy generic parameters.
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Why not make the trait generic? Because then we can't use it as a trait object in <code>Known</code>.</p>
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</div><div class='impl-items'><h4 id='method.is_attribute_cached_reverse' class="method"><span id='is_attribute_cached_reverse.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.is_attribute_cached_reverse' class='fnname'>is_attribute_cached_reverse</a><U>(&self, entid: U) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a> <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><Entid>, </span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#96-100' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.is_attribute_cached_forward' class="method"><span id='is_attribute_cached_forward.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.is_attribute_cached_forward' class='fnname'>is_attribute_cached_forward</a><U>(&self, entid: U) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.bool.html">bool</a> <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><Entid>, </span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#102-106' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.get_values_for_entid' class="method"><span id='get_values_for_entid.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.get_values_for_entid' class='fnname'>get_values_for_entid</a><U, V>(<br> &self, <br> schema: &Schema, <br> attribute: U, <br> entid: V<br>) -> <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/vec/struct.Vec.html" title="struct alloc::vec::Vec">Vec</a><TypedValue>> <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><Entid>,<br> V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><Entid>, </span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#108-111' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.get_value_for_entid' class="method"><span id='get_value_for_entid.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.get_value_for_entid' class='fnname'>get_value_for_entid</a><U, V>(<br> &self, <br> schema: &Schema, <br> attribute: U, <br> entid: V<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><&TypedValue> <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><Entid>,<br> V: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><Entid>, </span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#113-116' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.get_entid_for_value' class="method"><span id='get_entid_for_value.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.get_entid_for_value' class='fnname'>get_entid_for_value</a><U>(<br> &self, <br> attribute: U, <br> value: &TypedValue<br>) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a><Entid> <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><Entid>, </span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#118-121' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><h4 id='method.get_entids_for_value' class="method"><span id='get_entids_for_value.v' class='invisible'><table class='table-display'><tbody><tr><td><code>pub fn <a href='#method.get_entids_for_value' class='fnname'>get_entids_for_value</a><U>(<br> &self, <br> attribute: U, <br> value: &TypedValue<br>) -> <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/btree/set/struct.BTreeSet.html" title="struct alloc::btree::set::BTreeSet">BTreeSet</a><Entid>> <span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><Entid>, </span></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#123-126' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4></div>
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<h3 id='impl-Clone' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'s, 'c> <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="../mentat_query_algebrizer/struct.Known.html" title="struct mentat_query_algebrizer::Known">Known</a><'s, 'c></code><a href='#impl-Clone' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#71' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'><h4 id='method.clone' class="method"><span id='clone.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class="struct" href="../mentat_query_algebrizer/struct.Known.html" title="struct mentat_query_algebrizer::Known">Known</a><'s, 'c></code></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#71' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
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</div><h4 id='method.clone_from' class="method"><span id='clone_from.v' class='invisible'><table class='table-display'><tbody><tr><td><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>Self)</code></span></td><td><span class='out-of-band'><div class='ghost'></div><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div><a class='srclink' href='https://doc.rust-lang.org/nightly/src/core/clone.rs.html#117-119' title='goto source code'>[src]</a></td></tr></tbody></table></span></h4><div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
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</div></div><h3 id='impl-Copy' class='impl'><span class='in-band'><table class='table-display'><tbody><tr><td><code>impl<'s, 'c> <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Copy.html" title="trait core::marker::Copy">Copy</a> for <a class="struct" href="../mentat_query_algebrizer/struct.Known.html" title="struct mentat_query_algebrizer::Known">Known</a><'s, 'c></code><a href='#impl-Copy' class='anchor'></a></span></td><td><span class='out-of-band'><div class='ghost'></div><a class='srclink' href='../src/mentat_query_algebrizer/lib.rs.html#71' title='goto source code'>[src]</a></span></td></tr></tbody></table></h3><div class='impl-items'></div></div>
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