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113 lines
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<!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 configuration builder"><meta name="keywords" content="rust, rustlang, rust-lang, ConfigBuilder"><title>ConfigBuilder in config::builder - 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="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../config/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../config/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">ConfigBuilder</a></h2><div class="sidebar-elems"><section><div class="block"><h3 class="sidebar-title"><a href="#implementations">Methods</a></h3><ul><li><a href="#method.add_async_source">add_async_source</a></li><li><a href="#method.add_async_source-1">add_async_source</a></li><li><a href="#method.add_source">add_source</a></li><li><a href="#method.add_source-1">add_source</a></li><li><a href="#method.build">build</a></li><li><a href="#method.build-1">build</a></li><li><a href="#method.build_cloned">build_cloned</a></li><li><a href="#method.build_cloned-1">build_cloned</a></li><li><a href="#method.set_default">set_default</a></li><li><a href="#method.set_override">set_override</a></li><li><a href="#method.set_override_option">set_override_option</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#trait-implementations">Trait Implementations</a></h3><ul><li><a href="#impl-Clone-for-ConfigBuilder%3CSt%3E">Clone</a></li><li><a href="#impl-Debug-for-ConfigBuilder%3CSt%3E">Debug</a></li><li><a href="#impl-Default-for-ConfigBuilder%3CSt%3E">Default</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#synthetic-implementations">Auto Trait Implementations</a></h3><ul><li><a href="#impl-RefUnwindSafe-for-ConfigBuilder%3CSt%3E">RefUnwindSafe</a></li><li><a href="#impl-Send-for-ConfigBuilder%3CSt%3E">Send</a></li><li><a href="#impl-Sync-for-ConfigBuilder%3CSt%3E">Sync</a></li><li><a href="#impl-Unpin-for-ConfigBuilder%3CSt%3E">Unpin</a></li><li><a href="#impl-UnwindSafe-for-ConfigBuilder%3CSt%3E">UnwindSafe</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#blanket-implementations">Blanket Implementations</a></h3><ul><li><a href="#impl-Any-for-ConfigBuilder%3CSt%3E">Any</a></li><li><a href="#impl-Borrow%3CT%3E-for-ConfigBuilder%3CSt%3E">Borrow<T></a></li><li><a href="#impl-BorrowMut%3CT%3E-for-ConfigBuilder%3CSt%3E">BorrowMut<T></a></li><li><a href="#impl-From%3CT%3E-for-ConfigBuilder%3CSt%3E">From<T></a></li><li><a href="#impl-Into%3CU%3E-for-ConfigBuilder%3CSt%3E">Into<U></a></li><li><a href="#impl-ToOwned-for-ConfigBuilder%3CSt%3E">ToOwned</a></li><li><a href="#impl-TryFrom%3CU%3E-for-ConfigBuilder%3CSt%3E">TryFrom<U></a></li><li><a href="#impl-TryInto%3CU%3E-for-ConfigBuilder%3CSt%3E">TryInto<U></a></li></ul></div></section><h2 class="location"><a href="index.html">In config::builder</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../config/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"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></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></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Struct <a href="../index.html">config</a>::<wbr><a href="index.html">builder</a>::<wbr><a class="struct" href="#">ConfigBuilder</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/config/builder.rs.html#90-94">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 struct"><code>pub struct ConfigBuilder<St: <a class="trait" href="trait.BuilderState.html" title="trait config::builder::BuilderState">BuilderState</a>> { /* private fields */ }</code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>A configuration builder</p>
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<p>It registers ordered sources of configuration to later build consistent <a href="../struct.Config.html" title="Config"><code>Config</code></a> from them.
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Configuration sources it defines are defaults, <a href="../trait.Source.html" title="Source"><code>Source</code></a>s and overrides.</p>
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<p>Defaults are always loaded first and can be overwritten by any of two other sources.
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Overrides are always loaded last, thus cannot be overridden.
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Both can be only set explicitly key by key in code
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using <a href="struct.ConfigBuilder.html#method.set_default"><code>set_default</code></a> or <a href="struct.ConfigBuilder.html#method.set_override"><code>set_override</code></a>.</p>
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<p>An intermediate category, <a href="../trait.Source.html" title="Source"><code>Source</code></a>, set groups of keys at once implicitly using data coming from external sources
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like files, environment variables or others that one implements. Defining a <a href="../trait.Source.html" title="Source"><code>Source</code></a> is as simple as implementing
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a trait for a struct.</p>
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<p>Adding sources, setting defaults and overrides does not invoke any I/O nor builds a config.
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It happens on demand when <a href="struct.ConfigBuilder.html#method.build"><code>build</code></a> (or its alternative) is called.
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Therefore all errors, related to any of the <a href="../trait.Source.html" title="Source"><code>Source</code></a> will only show up then.</p>
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<h2 id="sync-and-async-builder"><a href="#sync-and-async-builder">Sync and async builder</a></h2>
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<p><a href="struct.ConfigBuilder.html" title="ConfigBuilder"><code>ConfigBuilder</code></a> uses type parameter to keep track of builder state.</p>
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<p>In <a href="struct.DefaultState.html" title="DefaultState"><code>DefaultState</code></a> builder only supports <a href="../trait.Source.html" title="Source"><code>Source</code></a>s</p>
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<p>In <a href="struct.AsyncState.html" title="AsyncState"><code>AsyncState</code></a> it supports both <a href="../trait.Source.html" title="Source"><code>Source</code></a>s and <a href="../trait.AsyncSource.html" title="AsyncSource"><code>AsyncSource</code></a>s at the price of building using <code>async fn</code>.</p>
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<h2 id="examples"><a href="#examples">Examples</a></h2>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">builder</span> <span class="op">=</span> <span class="ident">Config::builder</span>()
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.<span class="ident">set_default</span>(<span class="string">"default"</span>, <span class="string">"1"</span>)<span class="question-mark">?</span>
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.<span class="ident">add_source</span>(<span class="ident">File::new</span>(<span class="string">"config/settings"</span>, <span class="ident">FileFormat::Json</span>))
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<span class="comment">// .add_async_source(...)</span>
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.<span class="ident">set_override</span>(<span class="string">"override"</span>, <span class="string">"1"</span>)<span class="question-mark">?</span>;
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<span class="kw">match</span> <span class="ident">builder</span>.<span class="ident">build</span>() {
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<span class="prelude-val">Ok</span>(<span class="ident">config</span>) => {
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<span class="comment">// use your config</span>
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},
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<span class="prelude-val">Err</span>(<span class="ident">e</span>) => {
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<span class="comment">// something went wrong</span>
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}
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}</code></pre></div>
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<p>If any <a href="../trait.AsyncSource.html" title="AsyncSource"><code>AsyncSource</code></a> is used, the builder will transition to <a href="struct.AsyncState.html" title="AsyncState"><code>AsyncState</code></a>.
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In such case, it is required to <em>await</em> calls to <a href="struct.ConfigBuilder.html#method.build"><code>build</code></a> and its non-consuming sibling.</p>
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<p>Calls can be not chained as well</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">builder</span> <span class="op">=</span> <span class="ident">Config::builder</span>();
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<span class="ident">builder</span> <span class="op">=</span> <span class="ident">builder</span>.<span class="ident">set_default</span>(<span class="string">"default"</span>, <span class="string">"1"</span>)<span class="question-mark">?</span>;
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<span class="ident">builder</span> <span class="op">=</span> <span class="ident">builder</span>.<span class="ident">add_source</span>(<span class="ident">File::new</span>(<span class="string">"config/settings"</span>, <span class="ident">FileFormat::Json</span>));
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<span class="ident">builder</span> <span class="op">=</span> <span class="ident">builder</span>.<span class="ident">add_source</span>(<span class="ident">File::new</span>(<span class="string">"config/settings.prod"</span>, <span class="ident">FileFormat::Json</span>));
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<span class="ident">builder</span> <span class="op">=</span> <span class="ident">builder</span>.<span class="ident">set_override</span>(<span class="string">"override"</span>, <span class="string">"1"</span>)<span class="question-mark">?</span>;</code></pre></div>
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<p>Calling <a href="../struct.Config.html#method.builder"><code>Config::builder</code></a> yields builder in the default state.
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If having an asynchronous state as the initial state is desired, <em>turbofish</em> notation needs to be used.</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">builder</span> <span class="op">=</span> <span class="ident">ConfigBuilder</span>::<span class="op"><</span><span class="ident">AsyncState</span><span class="op">></span><span class="ident">::default</span>();</code></pre></div>
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<p>If for some reason acquiring builder in default state is required without calling <a href="../struct.Config.html#method.builder"><code>Config::builder</code></a>
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it can also be achieved.</p>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">builder</span> <span class="op">=</span> <span class="ident">ConfigBuilder</span>::<span class="op"><</span><span class="ident">DefaultState</span><span class="op">></span><span class="ident">::default</span>();</code></pre></div>
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</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-ConfigBuilder%3CSt%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#140-196">source</a></span><a href="#impl-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<St: <a class="trait" href="trait.BuilderState.html" title="trait config::builder::BuilderState">BuilderState</a>> <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><St></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.set_default" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#150-158">source</a></span><h4 class="code-header">pub fn <a href="#method.set_default" class="fnname">set_default</a><S, T>(self, key: S, value: T) -> <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, <a class="enum" href="../enum.ConfigError.html" title="enum config::ConfigError">ConfigError</a>> <span class="where fmt-newline">where<br> S: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.str.html">str</a>>,<br> T: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="../struct.Value.html" title="struct config::Value">Value</a>>, </span></h4></section></summary><div class="docblock"><p>Set a default <code>value</code> at <code>key</code></p>
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<p>This value can be overwritten by any <a href="../trait.Source.html" title="Source"><code>Source</code></a>, <a href="../trait.AsyncSource.html" title="AsyncSource"><code>AsyncSource</code></a> or override.</p>
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<h5 id="errors"><a href="#errors">Errors</a></h5>
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<p>Fails if <code>Expression::from_str(key)</code> fails.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.set_override" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#167-175">source</a></span><h4 class="code-header">pub fn <a href="#method.set_override" class="fnname">set_override</a><S, T>(self, key: S, value: T) -> <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, <a class="enum" href="../enum.ConfigError.html" title="enum config::ConfigError">ConfigError</a>> <span class="where fmt-newline">where<br> S: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.str.html">str</a>>,<br> T: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="../struct.Value.html" title="struct config::Value">Value</a>>, </span></h4></section></summary><div class="docblock"><p>Set an override</p>
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<p>This function sets an overwrite value. It will not be altered by any default, <a href="../trait.Source.html" title="Source"><code>Source</code></a> nor <a href="../trait.AsyncSource.html" title="AsyncSource"><code>AsyncSource</code></a></p>
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<h5 id="errors-1"><a href="#errors-1">Errors</a></h5>
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<p>Fails if <code>Expression::from_str(key)</code> fails.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.set_override_option" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#185-195">source</a></span><h4 class="code-header">pub fn <a href="#method.set_override_option" class="fnname">set_override_option</a><S, T>(<br> self,<br> key: S,<br> value: <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/option/enum.Option.html" title="enum core::option::Option">Option</a><T><br>) -> <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><Self, <a class="enum" href="../enum.ConfigError.html" title="enum config::ConfigError">ConfigError</a>> <span class="where fmt-newline">where<br> S: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.AsRef.html" title="trait core::convert::AsRef">AsRef</a><<a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.str.html">str</a>>,<br> T: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.Into.html" title="trait core::convert::Into">Into</a><<a class="struct" href="../struct.Value.html" title="struct config::Value">Value</a>>, </span></h4></section></summary><div class="docblock"><p>Sets an override if value is Some(_)</p>
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<p>This function sets an overwrite value if Some(_) is passed. If None is passed, this function does nothing.
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It will not be altered by any default, <a href="../trait.Source.html" title="Source"><code>Source</code></a> nor <a href="../trait.AsyncSource.html" title="AsyncSource"><code>AsyncSource</code></a></p>
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<h5 id="errors-2"><a href="#errors-2">Errors</a></h5>
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<p>Fails if <code>Expression::from_str(key)</code> fails.</p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-ConfigBuilder%3CDefaultState%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#198-286">source</a></span><a href="#impl-ConfigBuilder%3CDefaultState%3E" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><<a class="struct" href="struct.DefaultState.html" title="struct config::builder::DefaultState">DefaultState</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.add_source" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#205-211">source</a></span><h4 class="code-header">pub fn <a href="#method.add_source" class="fnname">add_source</a><T>(self, source: T) -> Self <span class="where fmt-newline">where<br> T: <a class="trait" href="../trait.Source.html" title="trait config::Source">Source</a> + <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static, </span></h4></section></summary><div class="docblock"><p>Registers new <a href="../trait.Source.html" title="Source"><code>Source</code></a> in this builder.</p>
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<p>Calling this method does not invoke any I/O. <a href="../trait.Source.html" title="Source"><code>Source</code></a> is only saved in internal register for later use.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.add_async_source" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#216-234">source</a></span><h4 class="code-header">pub fn <a href="#method.add_async_source" class="fnname">add_async_source</a><T>(self, source: T) -> <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><<a class="struct" href="struct.AsyncState.html" title="struct config::builder::AsyncState">AsyncState</a>> <span class="where fmt-newline">where<br> T: <a class="trait" href="../trait.AsyncSource.html" title="trait config::AsyncSource">AsyncSource</a> + <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static, </span></h4></section></summary><div class="docblock"><p>Registers new <a href="../trait.AsyncSource.html" title="AsyncSource"><code>AsyncSource</code></a> in this builder and forces transition to <a href="struct.AsyncState.html" title="AsyncState"><code>AsyncState</code></a>.</p>
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<p>Calling this method does not invoke any I/O. <a href="../trait.AsyncSource.html" title="AsyncSource"><code>AsyncSource</code></a> is only saved in internal register for later use.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.build" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#244-246">source</a></span><h4 class="code-header">pub fn <a href="#method.build" class="fnname">build</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../struct.Config.html" title="struct config::Config">Config</a>, <a class="enum" href="../enum.ConfigError.html" title="enum config::ConfigError">ConfigError</a>></h4></section></summary><div class="docblock"><p>Reads all registered <a href="../trait.Source.html" title="Source"><code>Source</code></a>s.</p>
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<p>This is the method that invokes all I/O operations.
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For a non consuming alternative see <a href="struct.ConfigBuilder.html#method.build_cloned"><code>build_cloned</code></a></p>
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<h5 id="errors-3"><a href="#errors-3">Errors</a></h5>
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<p>If source collection fails, be it technical reasons or related to inability to read data as <code>Config</code> for different reasons,
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this method returns error.</p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.build_cloned" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#256-262">source</a></span><h4 class="code-header">pub fn <a href="#method.build_cloned" class="fnname">build_cloned</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../struct.Config.html" title="struct config::Config">Config</a>, <a class="enum" href="../enum.ConfigError.html" title="enum config::ConfigError">ConfigError</a>></h4></section></summary><div class="docblock"><p>Reads all registered <a href="../trait.Source.html" title="Source"><code>Source</code></a>s.</p>
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<p>Similar to <a href="struct.ConfigBuilder.html#method.build"><code>build</code></a>, but it does not take ownership of <code>ConfigBuilder</code> to allow later reuse.
|
||
Internally it clones data to achieve it.</p>
|
||
<h5 id="errors-4"><a href="#errors-4">Errors</a></h5>
|
||
<p>If source collection fails, be it technical reasons or related to inability to read data as <code>Config</code> for different reasons,
|
||
this method returns error.</p>
|
||
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-ConfigBuilder%3CAsyncState%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#288-370">source</a></span><a href="#impl-ConfigBuilder%3CAsyncState%3E" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><<a class="struct" href="struct.AsyncState.html" title="struct config::builder::AsyncState">AsyncState</a>></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.add_source-1" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#295-301">source</a></span><h4 class="code-header">pub fn <a href="#method.add_source-1" class="fnname">add_source</a><T>(self, source: T) -> Self <span class="where fmt-newline">where<br> T: <a class="trait" href="../trait.Source.html" title="trait config::Source">Source</a> + <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static, </span></h4></section></summary><div class="docblock"><p>Registers new <a href="../trait.Source.html" title="Source"><code>Source</code></a> in this builder.</p>
|
||
<p>Calling this method does not invoke any I/O. <a href="../trait.Source.html" title="Source"><code>Source</code></a> is only saved in internal register for later use.</p>
|
||
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.add_async_source-1" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#307-313">source</a></span><h4 class="code-header">pub fn <a href="#method.add_async_source-1" class="fnname">add_async_source</a><T>(self, source: T) -> Self <span class="where fmt-newline">where<br> T: <a class="trait" href="../trait.AsyncSource.html" title="trait config::AsyncSource">AsyncSource</a> + <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> + <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> + 'static, </span></h4></section></summary><div class="docblock"><p>Registers new <a href="../trait.AsyncSource.html" title="AsyncSource"><code>AsyncSource</code></a> in this builder.</p>
|
||
<p>Calling this method does not invoke any I/O. <a href="../trait.AsyncSource.html" title="AsyncSource"><code>AsyncSource</code></a> is only saved in internal register for later use.</p>
|
||
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.build-1" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#323-325">source</a></span><h4 class="code-header">pub async fn <a href="#method.build-1" class="fnname">build</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../struct.Config.html" title="struct config::Config">Config</a>, <a class="enum" href="../enum.ConfigError.html" title="enum config::ConfigError">ConfigError</a>></h4></section></summary><div class="docblock"><p>Reads all registered defaults, <a href="../trait.Source.html" title="Source"><code>Source</code></a>s, <a href="../trait.AsyncSource.html" title="AsyncSource"><code>AsyncSource</code></a>s and overrides.</p>
|
||
<p>This is the method that invokes all I/O operations.
|
||
For a non consuming alternative see <a href="struct.ConfigBuilder.html#method.build_cloned"><code>build_cloned</code></a></p>
|
||
<h5 id="errors-5"><a href="#errors-5">Errors</a></h5>
|
||
<p>If source collection fails, be it technical reasons or related to inability to read data as <code>Config</code> for different reasons,
|
||
this method returns error.</p>
|
||
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.build_cloned-1" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#335-342">source</a></span><h4 class="code-header">pub async fn <a href="#method.build_cloned-1" class="fnname">build_cloned</a>(&self) -> <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><<a class="struct" href="../struct.Config.html" title="struct config::Config">Config</a>, <a class="enum" href="../enum.ConfigError.html" title="enum config::ConfigError">ConfigError</a>></h4></section></summary><div class="docblock"><p>Reads all registered defaults, <a href="../trait.Source.html" title="Source"><code>Source</code></a>s, <a href="../trait.AsyncSource.html" title="AsyncSource"><code>AsyncSource</code></a>s and overrides.</p>
|
||
<p>Similar to <a href="struct.ConfigBuilder.html#method.build"><code>build</code></a>, but it does not take ownership of <code>ConfigBuilder</code> to allow later reuse.
|
||
Internally it clones data to achieve it.</p>
|
||
<h5 id="errors-6"><a href="#errors-6">Errors</a></h5>
|
||
<p>If source collection fails, be it technical reasons or related to inability to read data as <code>Config</code> for different reasons,
|
||
this method returns error.</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-ConfigBuilder%3CSt%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#89">source</a></span><a href="#impl-Clone-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<St: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> + <a class="trait" href="trait.BuilderState.html" title="trait config::builder::BuilderState">BuilderState</a>> <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html" title="trait core::clone::Clone">Clone</a> for <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><St></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"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#89">source</a></span><a href="#method.clone" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html#tymethod.clone" class="fnname">clone</a>(&self) -> <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><St></h4></section></summary><div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p>
|
||
</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/1.64.0/src/core/clone.rs.html#132-134">source</a></span><a href="#method.clone_from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/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/1.64.0/std/primitive.reference.html">&</a>Self)</h4></section></summary><div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/1.64.0/core/clone/trait.Clone.html#method.clone_from">Read more</a></p>
|
||
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Debug-for-ConfigBuilder%3CSt%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#89">source</a></span><a href="#impl-Debug-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<St: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> + <a class="trait" href="trait.BuilderState.html" title="trait config::builder::BuilderState">BuilderState</a>> <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/fmt/trait.Debug.html" title="trait core::fmt::Debug">Debug</a> for <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><St></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.fmt" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#89">source</a></span><a href="#method.fmt" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/fmt/trait.Debug.html#tymethod.fmt" class="fnname">fmt</a>(&self, f: &mut <a class="struct" href="https://doc.rust-lang.org/1.64.0/core/fmt/struct.Formatter.html" title="struct core::fmt::Formatter">Formatter</a><'_>) -> <a class="type" href="https://doc.rust-lang.org/1.64.0/core/fmt/type.Result.html" title="type core::fmt::Result">Result</a></h4></section></summary><div class='docblock'><p>Formats the value using the given formatter. <a href="https://doc.rust-lang.org/1.64.0/core/fmt/trait.Debug.html#tymethod.fmt">Read more</a></p>
|
||
</div></details></div></details><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-Default-for-ConfigBuilder%3CSt%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#89">source</a></span><a href="#impl-Default-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<St: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/default/trait.Default.html" title="trait core::default::Default">Default</a> + <a class="trait" href="trait.BuilderState.html" title="trait config::builder::BuilderState">BuilderState</a>> <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/default/trait.Default.html" title="trait core::default::Default">Default</a> for <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><St></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.default" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="../../src/config/builder.rs.html#89">source</a></span><a href="#method.default" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/default/trait.Default.html#tymethod.default" class="fnname">default</a>() -> <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><St></h4></section></summary><div class='docblock'><p>Returns the “default value” for a type. <a href="https://doc.rust-lang.org/1.64.0/core/default/trait.Default.html#tymethod.default">Read more</a></p>
|
||
</div></details></div></details></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-ConfigBuilder%3CSt%3E" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<St> <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><St> <span class="where fmt-newline">where<br> St: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a>, </span></h3></section><section id="impl-Send-for-ConfigBuilder%3CSt%3E" class="impl has-srclink"><a href="#impl-Send-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<St> <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><St> <span class="where fmt-newline">where<br> St: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a>, </span></h3></section><section id="impl-Sync-for-ConfigBuilder%3CSt%3E" class="impl has-srclink"><a href="#impl-Sync-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<St> <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><St> <span class="where fmt-newline">where<br> St: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a>, </span></h3></section><section id="impl-Unpin-for-ConfigBuilder%3CSt%3E" class="impl has-srclink"><a href="#impl-Unpin-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<St> <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><St> <span class="where fmt-newline">where<br> St: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a>, </span></h3></section><section id="impl-UnwindSafe-for-ConfigBuilder%3CSt%3E" class="impl has-srclink"><a href="#impl-UnwindSafe-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<St> <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.ConfigBuilder.html" title="struct config::builder::ConfigBuilder">ConfigBuilder</a><St> <span class="where fmt-newline">where<br> St: <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a>, </span></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-ConfigBuilder%3CSt%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/any.rs.html#203">source</a></span><a href="#impl-Any-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.64.0/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/1.64.0/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"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/any.rs.html#204">source</a></span><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&self) -> <a class="struct" href="https://doc.rust-lang.org/1.64.0/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/1.64.0/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
|
||
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Borrow%3CT%3E-for-ConfigBuilder%3CSt%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/borrow.rs.html#209">source</a></span><a href="#impl-Borrow%3CT%3E-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.64.0/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/1.64.0/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/1.64.0/src/core/borrow.rs.html#211">source</a></span><a href="#method.borrow" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/borrow/trait.Borrow.html#tymethod.borrow" class="fnname">borrow</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.reference.html">&</a>T</h4></section></summary><div class='docblock'><p>Immutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.64.0/core/borrow/trait.Borrow.html#tymethod.borrow">Read more</a></p>
|
||
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-BorrowMut%3CT%3E-for-ConfigBuilder%3CSt%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/borrow.rs.html#218">source</a></span><a href="#impl-BorrowMut%3CT%3E-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.64.0/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/1.64.0/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/1.64.0/src/core/borrow.rs.html#219">source</a></span><a href="#method.borrow_mut" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut" class="fnname">borrow_mut</a>(&mut self) -> <a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.reference.html">&mut </a>T</h4></section></summary><div class='docblock'><p>Mutably borrows from an owned value. <a href="https://doc.rust-lang.org/1.64.0/core/borrow/trait.BorrowMut.html#tymethod.borrow_mut">Read more</a></p>
|
||
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-From%3CT%3E-for-ConfigBuilder%3CSt%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/convert/mod.rs.html#557">source</a></span><a href="#impl-From%3CT%3E-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.64.0/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/1.64.0/src/core/convert/mod.rs.html#559">source</a></span><a href="#method.from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/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-ConfigBuilder%3CSt%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/convert/mod.rs.html#541">source</a></span><a href="#impl-Into%3CU%3E-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.64.0/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/1.64.0/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/1.64.0/src/core/convert/mod.rs.html#549">source</a></span><a href="#method.into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/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>
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<p>That is, this conversion is whatever the implementation of
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<code><a href="https://doc.rust-lang.org/1.64.0/core/convert/trait.From.html" title="From">From</a><T> for U</code> chooses to do.</p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-ToOwned-for-ConfigBuilder%3CSt%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/alloc/borrow.rs.html#83">source</a></span><a href="#impl-ToOwned-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<T> <a class="trait" href="https://doc.rust-lang.org/1.64.0/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/1.64.0/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/1.64.0/alloc/borrow/trait.ToOwned.html#associatedtype.Owned" class="associatedtype">Owned</a> = T</h4></section></summary><div class='docblock'><p>The resulting type after obtaining ownership.</p>
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||
</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.to_owned" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/alloc/borrow.rs.html#88">source</a></span><a href="#method.to_owned" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned" class="fnname">to_owned</a>(&self) -> T</h4></section></summary><div class='docblock'><p>Creates owned data from borrowed data, usually by cloning. <a href="https://doc.rust-lang.org/1.64.0/alloc/borrow/trait.ToOwned.html#tymethod.to_owned">Read more</a></p>
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</div></details><details class="rustdoc-toggle method-toggle" open><summary><section id="method.clone_into" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/alloc/borrow.rs.html#92">source</a></span><a href="#method.clone_into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/alloc/borrow/trait.ToOwned.html#method.clone_into" class="fnname">clone_into</a>(&self, target: <a class="primitive" href="https://doc.rust-lang.org/1.64.0/std/primitive.reference.html">&mut </a>T)</h4></section></summary><div class='docblock'><p>Uses borrowed data to replace owned data, usually by cloning. <a href="https://doc.rust-lang.org/1.64.0/alloc/borrow/trait.ToOwned.html#method.clone_into">Read more</a></p>
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</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryFrom%3CU%3E-for-ConfigBuilder%3CSt%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/convert/mod.rs.html#598">source</a></span><a href="#impl-TryFrom%3CU%3E-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.64.0/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/1.64.0/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" 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/1.64.0/core/convert/trait.TryFrom.html#associatedtype.Error" class="associatedtype">Error</a> = <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/convert/enum.Infallible.html" title="enum core::convert::Infallible">Infallible</a></h4></section></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
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</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/1.64.0/src/core/convert/mod.rs.html#604">source</a></span><a href="#method.try_from" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryFrom.html#tymethod.try_from" class="fnname">try_from</a>(value: U) -> <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><T, <T as <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><U>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'><p>Performs the conversion.</p>
|
||
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-TryInto%3CU%3E-for-ConfigBuilder%3CSt%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/1.64.0/src/core/convert/mod.rs.html#583">source</a></span><a href="#impl-TryInto%3CU%3E-for-ConfigBuilder%3CSt%3E" class="anchor"></a><h3 class="code-header in-band">impl<T, U> <a class="trait" href="https://doc.rust-lang.org/1.64.0/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/1.64.0/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-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/1.64.0/core/convert/trait.TryInto.html#associatedtype.Error" class="associatedtype">Error</a> = <U as <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a></h4></section></summary><div class='docblock'><p>The type returned in the event of a conversion error.</p>
|
||
</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/1.64.0/src/core/convert/mod.rs.html#589">source</a></span><a href="#method.try_into" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryInto.html#tymethod.try_into" class="fnname">try_into</a>(self) -> <a class="enum" href="https://doc.rust-lang.org/1.64.0/core/result/enum.Result.html" title="enum core::result::Result">Result</a><U, <U as <a class="trait" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryFrom.html" title="trait core::convert::TryFrom">TryFrom</a><T>>::<a class="associatedtype" href="https://doc.rust-lang.org/1.64.0/core/convert/trait.TryFrom.html#associatedtype.Error" title="type core::convert::TryFrom::Error">Error</a>></h4></section></summary><div class='docblock'><p>Performs the conversion.</p>
|
||
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