| <!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="A cryptographically secure non-deterministic random bit generator."><meta name="keywords" content="rust, rustlang, rust-lang, RdSeed"><title>RdSeed in rdrand - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" 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class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><h2></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../rdrand/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">RdSeed</a></h2><div class="sidebar-elems"><section><h3><a href="#implementations">Methods</a></h3><ul class="block"><li><a href="#method.new">new</a></li><li><a href="#method.try_fill_bytes">try_fill_bytes</a></li><li><a href="#method.try_next_u16">try_next_u16</a></li><li><a href="#method.try_next_u32">try_next_u32</a></li><li><a href="#method.try_next_u64">try_next_u64</a></li></ul><h3><a href="#trait-implementations">Trait Implementations</a></h3><ul class="block"><li><a href="#impl-Clone-for-RdSeed">Clone</a></li><li><a href="#impl-Copy-for-RdSeed">Copy</a></li><li><a href="#impl-CryptoRng-for-RdSeed">CryptoRng</a></li><li><a href="#impl-RngCore-for-RdSeed">RngCore</a></li></ul><h3><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul class="block"><li><a href="#impl-RefUnwindSafe-for-RdSeed">RefUnwindSafe</a></li><li><a href="#impl-Send-for-RdSeed">Send</a></li><li><a href="#impl-Sync-for-RdSeed">Sync</a></li><li><a href="#impl-Unpin-for-RdSeed">Unpin</a></li><li><a href="#impl-UnwindSafe-for-RdSeed">UnwindSafe</a></li></ul><h3><a href="#blanket-implementations">Blanket Implementations</a></h3><ul class="block"><li><a href="#impl-Any-for-RdSeed">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-RdSeed">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-RdSeed">BorrowMut<T></a></li><li><a href="#impl-CryptoRngCore-for-RdSeed">CryptoRngCore</a></li><li><a href="#impl-From%3CT%3E-for-RdSeed">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-RdSeed">Into<U></a></li><li><a href="#impl-ToOwned-for-RdSeed">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-RdSeed">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-RdSeed">TryInto<U></a></li></ul></section><h2><a href="index.html">In rdrand</a></h2></div></nav><main><div class="width-limiter"><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"><div id="help-button" title="help" tabindex="-1"><a href="../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn">Struct <a href="index.html">rdrand</a>::<wbr><a class="struct" href="#">RdSeed</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></h1><span class="out-of-band"><a class="srclink" href="../src/rdrand/lib.rs.html#100">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">−</span>]</a></span></div><div class="item-decl"><pre class="rust struct"><code>pub struct RdSeed(_);</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A cryptographically secure non-deterministic random bit generator.</p> |
| <p>This generator produces high-entropy output and is suited to seed other pseudo-random |
| generators.</p> |
| <p>This instruction is only supported by recent architectures such as Intel Broadwell and AMD Zen.</p> |
| <p>This generator is not intended for general random number generation purposes and should be used |
| to seed other generators implementing <a href="../rand_core/trait.SeedableRng.html" title="rand_core::SeedableRng">rand_core::SeedableRng</a>.</p> |
| </div></details><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#461-469">source</a><a href="#impl-RdSeed" class="anchor"></a><h3 class="code-header">impl <a class="struct" href="struct.RdSeed.html" title="struct rdrand::RdSeed">RdSeed</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.new" class="method has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#461-469">source</a><h4 class="code-header">pub fn <a href="#method.new" class="fnname">new</a>() -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, <a class="enum" href="enum.ErrorCode.html" title="enum rdrand::ErrorCode">ErrorCode</a>></h4></section></summary><div class="docblock"><p>Create a new instance of the random number generator.</p> |
| <p>This constructor checks whether the CPU the program is running on supports the |
| instruction necessary for this generator to operate. If the instruction is not |
| supported, an error is returned.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_next_u16" class="method has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#461-469">source</a><h4 class="code-header">pub fn <a href="#method.try_next_u16" class="fnname">try_next_u16</a>(&self) -> <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.u16.html">u16</a>, <a class="enum" href="enum.ErrorCode.html" title="enum rdrand::ErrorCode">ErrorCode</a>></h4></section></summary><div class="docblock"><p>Generate a single random <code>u16</code> value.</p> |
| <p>The underlying instruction may fail for variety reasons (such as actual hardware |
| failure or exhausted entropy), however the exact reason for the failure is not |
| usually exposed.</p> |
| <p>This method will retry calling the instruction a few times, however if all the |
| attempts fail, it will return <code>None</code>.</p> |
| <p>In case <code>Err</code> is returned, the caller should assume that a non-recoverable failure |
| has occured and use another random number genrator instead.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_next_u32" class="method has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#461-469">source</a><h4 class="code-header">pub fn <a href="#method.try_next_u32" class="fnname">try_next_u32</a>(&self) -> <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.u32.html">u32</a>, <a class="enum" href="enum.ErrorCode.html" title="enum rdrand::ErrorCode">ErrorCode</a>></h4></section></summary><div class="docblock"><p>Generate a single random <code>u32</code> value.</p> |
| <p>The underlying instruction may fail for variety reasons (such as actual hardware |
| failure or exhausted entropy), however the exact reason for the failure is not |
| usually exposed.</p> |
| <p>This method will retry calling the instruction a few times, however if all the |
| attempts fail, it will return <code>None</code>.</p> |
| <p>In case <code>Err</code> is returned, the caller should assume that a non-recoverable failure |
| has occured and use another random number genrator instead.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_next_u64" class="method has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#461-469">source</a><h4 class="code-header">pub fn <a href="#method.try_next_u64" class="fnname">try_next_u64</a>(&self) -> <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.u64.html">u64</a>, <a class="enum" href="enum.ErrorCode.html" title="enum rdrand::ErrorCode">ErrorCode</a>></h4></section></summary><div class="docblock"><p>Generate a single random <code>u64</code> value.</p> |
| <p>The underlying instruction may fail for variety reasons (such as actual hardware |
| failure or exhausted entropy), however the exact reason for the failure is not |
| usually exposed.</p> |
| <p>This method will retry calling the instruction a few times, however if all the |
| attempts fail, it will return <code>None</code>.</p> |
| <p>In case <code>Err</code> is returned, the caller should assume that a non-recoverable failure |
| has occured and use another random number genrator instead.</p> |
| <p>Note, that on 32-bit targets, there’s no underlying instruction to generate a |
| 64-bit number, so it is emulated with the 32-bit version of the instruction.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_fill_bytes" class="method has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#461-469">source</a><h4 class="code-header">pub fn <a href="#method.try_fill_bytes" class="fnname">try_fill_bytes</a>(&mut self, dest: &mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]) -> <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.ErrorCode.html" title="enum rdrand::ErrorCode">ErrorCode</a>></h4></section></summary><div class="docblock"><p>Fill a buffer <code>dest</code> with random data.</p> |
| <p>This method will use the most appropriate variant of the instruction available on |
| the machine to achieve the greatest single-core throughput, however it has a |
| slightly higher setup cost than the plain <code>next_u32</code> or <code>next_u64</code> methods.</p> |
| <p>The underlying instruction may fail for variety reasons (such as actual hardware |
| failure or exhausted entropy), however the exact reason for the failure is not |
| usually exposed.</p> |
| <p>This method will retry calling the instruction a few times, however if all the |
| attempts fail, it will return an error.</p> |
| <p>If an error is returned, the caller should assume that an non-recoverable hardware |
| failure has occured and use another random number genrator instead.</p> |
| </div></details></div></details></div><h2 id="trait-implementations" class="small-section-header">Trait Implementations<a href="#trait-implementations" class="anchor"></a></h2><div id="trait-implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Clone-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#99">source</a><a href="#impl-Clone-for-RdSeed" class="anchor"></a><h3 class="code-header">impl <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="struct.RdSeed.html" title="struct rdrand::RdSeed">RdSeed</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone" class="method trait-impl has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#99">source</a><a href="#method.clone" class="anchor"></a><h4 class="code-header">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="struct.RdSeed.html" title="struct rdrand::RdSeed">RdSeed</a></h4></section></summary><div class='docblock'>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="Stable since Rust version 1.0.0">1.0.0</span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/clone.rs.html#132-134">source</a></span><a href="#method.clone_from" class="anchor"></a><h4 class="code-header">const 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)</h4></section></summary><div class='docblock'>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></div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-RngCore-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#461-469">source</a><a href="#impl-RngCore-for-RdSeed" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="../rand_core/trait.RngCore.html" title="trait rand_core::RngCore">RngCore</a> for <a class="struct" href="struct.RdSeed.html" title="struct rdrand::RdSeed">RdSeed</a></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.next_u32" class="method trait-impl has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#461-469">source</a><a href="#method.next_u32" class="anchor"></a><h4 class="code-header">fn <a href="../rand_core/trait.RngCore.html#tymethod.next_u32" class="fnname">next_u32</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u32.html">u32</a></h4></section></summary><div class="docblock"><p>Generate a single random <code>u32</code> value.</p> |
| <p>The underlying instruction may fail for variety reasons (such as actual hardware |
| failure or exhausted entropy), however the exact reason for the failure is not |
| usually exposed.</p> |
| <h5 id="panic"><a href="#panic">Panic</a></h5> |
| <p>This method will retry calling the instruction a few times, however if all the |
| attempts fail, it will <code>panic</code>.</p> |
| <p>In case <code>panic</code> occurs, the caller should assume that an non-recoverable |
| hardware failure has occured and use another random number genrator instead.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.next_u64" class="method trait-impl has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#461-469">source</a><a href="#method.next_u64" class="anchor"></a><h4 class="code-header">fn <a href="../rand_core/trait.RngCore.html#tymethod.next_u64" class="fnname">next_u64</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u64.html">u64</a></h4></section></summary><div class="docblock"><p>Generate a single random <code>u64</code> value.</p> |
| <p>The underlying instruction may fail for variety reasons (such as actual hardware |
| failure or exhausted entropy), however the exact reason for the failure is not |
| usually exposed.</p> |
| <p>Note, that on 32-bit targets, there’s no underlying instruction to generate a |
| 64-bit number, so it is emulated with the 32-bit version of the instruction.</p> |
| <h5 id="panic-1"><a href="#panic-1">Panic</a></h5> |
| <p>This method will retry calling the instruction a few times, however if all the |
| attempts fail, it will <code>panic</code>.</p> |
| <p>In case <code>panic</code> occurs, the caller should assume that an non-recoverable |
| hardware failure has occured and use another random number genrator instead.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fill_bytes" class="method trait-impl has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#461-469">source</a><a href="#method.fill_bytes" class="anchor"></a><h4 class="code-header">fn <a href="../rand_core/trait.RngCore.html#tymethod.fill_bytes" class="fnname">fill_bytes</a>(&mut self, dest: &mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>])</h4></section></summary><div class="docblock"><p>Fill a buffer <code>dest</code> with random data.</p> |
| <p>See <code>try_fill_bytes</code> for a more extensive documentation.</p> |
| <h5 id="panic-2"><a href="#panic-2">Panic</a></h5> |
| <p>This method will panic any time <code>try_fill_bytes</code> would return an error.</p> |
| </div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_fill_bytes-1" class="method trait-impl has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#461-469">source</a><a href="#method.try_fill_bytes-1" class="anchor"></a><h4 class="code-header">fn <a href="../rand_core/trait.RngCore.html#tymethod.try_fill_bytes" class="fnname">try_fill_bytes</a>(&mut self, dest: &mut [<a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.u8.html">u8</a>]) -> <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="struct" href="../rand_core/error/struct.Error.html" title="struct rand_core::error::Error">Error</a>></h4></section></summary><div class="docblock"><p>Fill a buffer <code>dest</code> with random data.</p> |
| <p>This method will use the most appropriate variant of the instruction available on |
| the machine to achieve the greatest single-core throughput, however it has a |
| slightly higher setup cost than the plain <code>next_u32</code> or <code>next_u64</code> methods.</p> |
| <p>The underlying instruction may fail for variety reasons (such as actual hardware |
| failure or exhausted entropy), however the exact reason for the failure is not |
| usually exposed.</p> |
| <p>This method will retry calling the instruction a few times, however if all the |
| attempts fail, it will return an error.</p> |
| <p>If an error is returned, the caller should assume that an non-recoverable hardware |
| failure has occured and use another random number genrator instead.</p> |
| </div></details></div></details><section id="impl-Copy-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#99">source</a><a href="#impl-Copy-for-RdSeed" class="anchor"></a><h3 class="code-header">impl <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="struct.RdSeed.html" title="struct rdrand::RdSeed">RdSeed</a></h3></section><section id="impl-CryptoRng-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="../src/rdrand/lib.rs.html#103">source</a><a href="#impl-CryptoRng-for-RdSeed" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="../rand_core/trait.CryptoRng.html" title="trait rand_core::CryptoRng">CryptoRng</a> for <a class="struct" href="struct.RdSeed.html" title="struct rdrand::RdSeed">RdSeed</a></h3></section></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-RdSeed" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-RdSeed" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.RdSeed.html" title="struct rdrand::RdSeed">RdSeed</a></h3></section><section id="impl-Send-for-RdSeed" class="impl has-srclink"><a href="#impl-Send-for-RdSeed" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.RdSeed.html" title="struct rdrand::RdSeed">RdSeed</a></h3></section><section id="impl-Sync-for-RdSeed" class="impl has-srclink"><a href="#impl-Sync-for-RdSeed" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.RdSeed.html" title="struct rdrand::RdSeed">RdSeed</a></h3></section><section id="impl-Unpin-for-RdSeed" class="impl has-srclink"><a href="#impl-Unpin-for-RdSeed" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.RdSeed.html" title="struct rdrand::RdSeed">RdSeed</a></h3></section><section id="impl-UnwindSafe-for-RdSeed" class="impl has-srclink"><a href="#impl-UnwindSafe-for-RdSeed" class="anchor"></a><h3 class="code-header">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.RdSeed.html" title="struct rdrand::RdSeed">RdSeed</a></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#200">source</a><a href="#impl-Any-for-RdSeed" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T<span class="where fmt-newline">where<br> T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#201">source</a><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#211">source</a><a href="#impl-Borrow%3CT%3E-for-RdSeed" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html" title="trait core::borrow::Borrow">Borrow</a><T> for T<span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#213">source</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&</a>T</h4></section></summary><div class='docblock'>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#220">source</a><a href="#impl-BorrowMut%3CT%3E-for-RdSeed" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html" title="trait core::borrow::BorrowMut">BorrowMut</a><T> for T<span class="where fmt-newline">where<br> T: ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.borrow_mut" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/91522" title="Tracking issue for const_borrow">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/borrow.rs.html#221">source</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T</h4></section></summary><div class='docblock'>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/nightly/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-CryptoRngCore-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="../src/rand_core/lib.rs.html#234">source</a><a href="#impl-CryptoRngCore-for-RdSeed" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="../rand_core/trait.CryptoRngCore.html" title="trait rand_core::CryptoRngCore">CryptoRngCore</a> for T<span class="where fmt-newline">where<br> T: <a class="trait" href="../rand_core/trait.CryptoRng.html" title="trait rand_core::CryptoRng">CryptoRng</a> + <a class="trait" href="../rand_core/trait.RngCore.html" title="trait rand_core::RngCore">RngCore</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.as_rngcore" class="method trait-impl has-srclink"><a class="srclink rightside" href="../src/rand_core/lib.rs.html#235">source</a><a href="#method.as_rngcore" class="anchor"></a><h4 class="code-header">fn <a href="../rand_core/trait.CryptoRngCore.html#tymethod.as_rngcore" class="fnname">as_rngcore</a>(&mut self) -> &mut dyn <a class="trait" href="../rand_core/trait.RngCore.html" title="trait rand_core::RngCore">RngCore</a></h4></section></summary><div class='docblock'>Upcast to an <a href="../rand_core/trait.RngCore.html" title="RngCore"><code>RngCore</code></a> trait object.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#733">source</a><a href="#impl-From%3CT%3E-for-RdSeed" class="anchor"></a><h3 class="code-header">impl<T> <a class="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><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#736">source</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html#tymethod.from" class="fnname">from</a>(t: T) -> T</h4></section></summary><div class="docblock"><p>Returns the argument unchanged.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Into%3CU%3E-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#717">source</a><a href="#impl-Into%3CU%3E-for-RdSeed" class="anchor"></a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><U> for T<span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="trait core::convert::From">From</a><T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#725">source</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.Into.html#tymethod.into" class="fnname">into</a>(self) -> U</h4></section></summary><div class="docblock"><p>Calls <code>U::from(self)</code>.</p> |
| <p>That is, this conversion is whatever the implementation of |
| <code><a href="https://doc.rust-lang.org/nightly/core/convert/trait.From.html" title="From">From</a><T> for U</code> chooses to do.</p> |
| </div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToOwned-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#83">source</a><a href="#impl-ToOwned-for-RdSeed" class="anchor"></a><h3 class="code-header">impl<T> <a class="trait" href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html" title="trait alloc::borrow::ToOwned">ToOwned</a> for T<span class="where fmt-newline">where<br> T: <a class="trait" href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Owned" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Owned" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'>The resulting type after obtaining ownership.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#88">source</a><a href="#method.to_owned" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fnname">to_owned</a>(&self) -> T</h4></section></summary><div class='docblock'>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/alloc/borrow.rs.html#92">source</a><a href="#method.clone_into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fnname">clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.reference.html">&mut </a>T)</h4></section></summary><div class='docblock'>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/nightly/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#775">source</a><a href="#impl-TryFrom%3CU%3E-for-RdSeed" class="anchor"></a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U> for T<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><T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error-1" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error-1" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/nightly/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_from" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#781">source</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-RdSeed" class="impl has-srclink"><a class="srclink rightside" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#760">source</a><a href="#impl-TryInto%3CU%3E-for-RdSeed" class="anchor"></a><h3 class="code-header">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html" title="trait core::convert::TryInto">TryInto</a><U> for T<span class="where fmt-newline">where<br> U: <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>,</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle" open><summary><section id="associatedtype.Error" class="associatedtype trait-impl has-srclink"><a href="#associatedtype.Error" class="anchor"></a><h4 class="code-header">type <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'>The type returned in the event of a conversion error.</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.try_into" class="method trait-impl has-srclink"><span class="rightside"><span class="since" title="const unstable">const: <a href="https://github.com/rust-lang/rust/issues/88674" title="Tracking issue for const_convert">unstable</a></span> · <a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/convert/mod.rs.html#766">source</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/nightly/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/nightly/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'>Performs the conversion.</div></details></div></details></div></section></div></main><div id="rustdoc-vars" data-root-path="../" data-current-crate="rdrand" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
