<!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="API documentation for the Rust `SIM` struct in crate `headless`."><metaname="keywords"content="rust, rustlang, rust-lang, SIM"><title>SIM in headless - Rust</title><linkrel="stylesheet"type="text/css"href="../normalize.css"><linkrel="stylesheet"type="text/css"href="../rustdoc.css"id="mainThemeStyle"><linkrel="stylesheet"type="text/css"href="../light.css"id="themeStyle"><linkrel="stylesheet"type="text/css"href="../dark.css"disabled><linkrel="stylesheet"type="text/css"href="../ayu.css"disabled><scriptid="default-settings"></script><scriptsrc="../storage.js"></script><scriptsrc="../crates.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"><styletype="text/css">#crate-search{background-image:url("../down-arrow.svg");}</style></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="sidebar"><divclass="sidebar-menu"role="button">☰</div><ahref='../headless/index.html'><divclass='logo-container rust-logo'><imgsrc='../rust-logo.png'alt='logo'></div></a><h2class="location">Struct SIM</h2><divclass="sidebar-elems"><divclass="block items"><h3class="sidebar-title"><ahref="#fields">Fields</a></h3><divclass="sidebar-links"><ahref="#structfield.__private_field">__private_field</a></div><h3class="sidebar-title"><ahref="#deref-methods">Methods from Deref<Target=RwLock<Sim>></a></h3><divclass="sidebar-links"><ahref="#method.is_poisoned">is_poisoned</a><ahref="#method.read">read</a><ahref="#method.try_read">try_read</a><ahref="#method.try_write">try_write</a><ahref="#method.write">write</a></div><h3class="sidebar-title"><ahref="#trait-implementations">Trait Implementations</a></h3><divclass="sidebar-links"><ahref="#impl-Deref">Deref</a><ahref="#impl-LazyStatic">LazyStatic</a></div><h3class="sidebar-title"><ahref="#synthetic-implementations">Auto Trait Implementations</a></h3><divclass="sidebar-links"><ahref="#impl-RefUnwindSafe">RefUnwindSafe</a><ahref="#impl-Send">Send</a><ahref="#impl-Sync">Sync</a><ahref="#impl-Unpin">Unpin</a><ahref="#impl-UnwindSafe">UnwindSafe</a></div><h3class="sidebar-title"><ahref="#blanket-implementations">Blanket Implementations</a></h3><divclass="sidebar-links"><ahref="#impl-Any">Any</a><ahref="#impl-Borrow%3CT%3E">Borrow<T></a><ahref="#impl-BorrowMut%3CT%3E">BorrowMut<T></a><ahref="#impl-Downcast">Downcast</a><ahref="#impl-DowncastSync">DowncastSync</a><ahref="#impl-From%3CT%3E">From<T></a><ahref="#impl-Instrument">Instrument</a><ahref="#impl-Into%3CU%3E">Into<U></a><ahref="#impl-Same%3CT%3E">Same<T></a><ahref="#impl-TryFrom%3CU%3E">TryFrom<U></a><ahref="#impl-TryInto%3CU%3E">TryInto<U></a><ahref="#impl-VZip%3CV%3E">VZip<V></a></div></div><h2class="location">Other items in<br><ahref="index.html">headless</a></h2><divid="sidebar-vars"data-name="SIM"data-ty="struct"data-relpath=""></div><scriptdefersrc="sidebar-items.js"></script></div></nav><divclass="theme-picker"><buttonid="theme-picker"aria-label="Pick another theme!"aria-haspopup="menu"title="themes"><imgwidth="18"height="18"alt="Pick another theme!"src="../brush.svg"></button><divid="theme-choices"role="menu"></div></div><navclass="sub"><formclass="search-form"><divclass="search-container"><div><selectid="crate-search"><optionvalue="All crates">All crates</option></select><inputclass="search-input"name="search"disabledautocomplete="off"spellcheck="false"placeholder="Click or press ‘S’ to search, ‘?’ for more options…"type="se
<p>This function will return the <ahref="https://doc.rust-lang.org/1.57.0/std/sync/poison/enum.TryLockError.html#variant.Poisoned"><code>Poisoned</code></a> error if the RwLock is poisoned.
<p>This function will return the <ahref="https://doc.rust-lang.org/1.57.0/std/sync/poison/enum.TryLockError.html#variant.WouldBlock"><code>WouldBlock</code></a> error if the RwLock could not
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.write"class="method has-srclink"><divclass="rightside"><spanclass="since"title="Stable since Rust version 1.0.0">1.0.0</span><aclass="srclink"href="https://doc.rust-lang.org/1.57.0/src/std/sync/rwlock.rs.html#292"title="goto source code">[src]</a></div><ahref="#method.write"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.write"class="fnname">write</a>(<br> &self<br>) -><aclass="enum"href="https://doc.rust-lang.org/1.57.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><<aclass="struct"href="https://doc.rust-lang.org/1.57.0/std/sync/rwlock/struct.RwLockWriteGuard.html"title="struct std::sync::rwlock::RwLockWriteGuard">RwLockWriteGuard</a><'_, T>, <aclass="struct"href="https://doc.rust-lang.org/1.57.0/std/sync/poison/struct.PoisonError.html"title="struct std::sync::poison::PoisonError">PoisonError</a><<aclass="struct"href="https://doc.rust-lang.org/1.57.0/std/sync/rwlock/struct.RwLockWriteGuard.html"title="struct std::sync::rwlock::RwLockWriteGuard">RwLockWriteGuard</a><'_, T>>></h4></div></summary><divclass="docblock"><p>Locks this rwlock with exclusive write access, blocking the current
<p>This function will return the <ahref="https://doc.rust-lang.org/1.57.0/std/sync/poison/enum.TryLockError.html#variant.Poisoned"><code>Poisoned</code></a> error if the RwLock is
<p>This function will return the <ahref="https://doc.rust-lang.org/1.57.0/std/sync/poison/enum.TryLockError.html#variant.WouldBlock"><code>WouldBlock</code></a> error if the RwLock could not
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.is_poisoned"class="method has-srclink"><divclass="rightside"><spanclass="since"title="Stable since Rust version 1.2.0">1.2.0</span><aclass="srclink"href="https://doc.rust-lang.org/1.57.0/src/std/sync/rwlock.rs.html#371"title="goto source code">[src]</a></div><ahref="#method.is_poisoned"class="anchor"></a><h4class="code-header">pub fn <ahref="#method.is_poisoned"class="fnname">is_poisoned</a>(&self) -><aclass="primitive"href="https://doc.rust-lang.org/1.57.0/std/primitive.bool.html">bool</a></h4></div></summary><divclass="docblock"><p>Determines whether the lock is poisoned.</p>
then be further <code>downcast</code> into <code>Box<ConcreteType></code> where <code>ConcreteType</code> implements <code>Trait</code>. <ahref="#tymethod.into_any">Read more</a></p>
further <code>downcast</code> into <code>Rc<ConcreteType></code> where <code>ConcreteType</code> implements <code>Trait</code>. <ahref="#tymethod.into_any_rc">Read more</a></p>
further <code>downcast</code> into <code>Arc<ConcreteType></code> where <code>ConcreteType</code> implements <code>Trait</code>. <ahref="#tymethod.into_any_arc">Read more</a></p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><divid="impl-Instrument"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.26/src/tracing/instrument.rs.html#155"title="goto source code">[src]</a></div><ahref="#impl-Instrument"class="anchor"></a><h3class="code-header in-band">impl<T><aclass="trait"href="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html"title="trait tracing::instrument::Instrument">Instrument</a> for T</h3></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.instrument"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.26/src/tracing/instrument.rs.html#38"title="goto source code">[src]</a></div><ahref="#method.instrument"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html#method.instrument"class="fnname">instrument</a>(self, span: <aclass="struct"href="https://docs.rs/tracing/0.1.26/tracing/span/struct.Span.html"title="struct tracing::span::Span">Span</a>) -><aclass="struct"href="https://docs.rs/tracing/0.1.26/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></div></summary><divclass='docblock'><p>Instruments this type with the provided <code>Span</code>, returning an
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.in_current_span"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://docs.rs/tracing/0.1.26/src/tracing/instrument.rs.html#74"title="goto source code">[src]</a></div><ahref="#method.in_current_span"class="anchor"></a><h4class="code-header">fn <ahref="https://docs.rs/tracing/0.1.26/tracing/instrument/trait.Instrument.html#method.in_current_span"class="fnname">in_current_span</a>(self) -><aclass="struct"href="https://docs.rs/tracing/0.1.26/tracing/instrument/struct.Instrumented.html"title="struct tracing::instrument::Instrumented">Instrumented</a><Self></h4></div></summary><divclass='docblock'><p>Instruments this type with the <ahref="../struct.Span.html#method.current">current</a><code>Span</code>, returning an
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><divid="impl-TryFrom%3CU%3E"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/1.57.0/src/core/convert/mod.rs.html#585-594"title="goto source code">[src]</a></div><ahref="#impl-TryFrom%3CU%3E"class="anchor"></a><h3class="code-header in-band">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/1.57.0/core/convert/trait.Into.html"title="trait core::convert::Into">Into</a><T>, </span></h3></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><divid="associatedtype.Error"class="type trait-impl has-srclink"><ahref="#associatedtype.Error"class="anchor"></a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryFrom.html#associatedtype.Error"class="type">Error</a> = <aclass="enum"href="https://doc.rust-lang.org/1.57.0/core/convert/enum.Infallible.html"title="enum core::convert::Infallible">Infallible</a></h4></div></summary><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.try_from"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/1.57.0/src/core/convert/mod.rs.html#591"title="goto source code">[src]</a></div><ahref="#method.try_from"class="anchor"></a><h4class="code-header">pub fn <ahref="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryFrom.html#tymethod.try_from"class="fnname">try_from</a>(value: U) -><aclass="enum"href="https://doc.rust-lang.org/1.57.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><T, <T as <aclass="trait"href="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><U>>::<aclass="type"href="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></div></summary><divclass='docblock'><p>Performs the conversion.</p>
</div></details></div></details><detailsclass="rustdoc-toggle implementors-toggle"open><summary><divid="impl-TryInto%3CU%3E"class="impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/1.57.0/src/core/convert/mod.rs.html#571-580"title="goto source code">[src]</a></div><ahref="#impl-TryInto%3CU%3E"class="anchor"></a><h3class="code-header in-band">impl<T, U><aclass="trait"href="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryInto.html"title="trait core::convert::TryInto">TryInto</a><U> for T <spanclass="where fmt-newline">where<br> U: <aclass="trait"href="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>, </span></h3></div></summary><divclass="impl-items"><detailsclass="rustdoc-toggle"open><summary><divid="associatedtype.Error-1"class="type trait-impl has-srclink"><ahref="#associatedtype.Error-1"class="anchor"></a><h4class="code-header">type <ahref="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryInto.html#associatedtype.Error"class="type">Error</a> = <U as <aclass="trait"href="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="type"href="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a></h4></div></summary><divclass='docblock'><p>The type returned in the event of a conversion error.</p>
</div></details><detailsclass="rustdoc-toggle method-toggle"open><summary><divid="method.try_into"class="method trait-impl has-srclink"><divclass="rightside"><aclass="srclink"href="https://doc.rust-lang.org/1.57.0/src/core/convert/mod.rs.html#577"title="goto source code">[src]</a></div><ahref="#method.try_into"class="anchor"></a><h4class="code-header">pub fn <ahref="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryInto.html#tymethod.try_into"class="fnname">try_into</a>(self) -><aclass="enum"href="https://doc.rust-lang.org/1.57.0/core/result/enum.Result.html"title="enum core::result::Result">Result</a><U, <U as <aclass="trait"href="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryFrom.html"title="trait core::convert::TryFrom">TryFrom</a><T>>::<aclass="type"href="https://doc.rust-lang.org/1.57.0/core/convert/trait.TryFrom.html#associatedtype.Error"title="type core::convert::TryFrom::Error">Error</a>></h4></div></summary><divclass='docblock'><p>Performs the conversion.</p>