<!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="API documentation for the Rust `panic` mod in crate `std`."> <meta name="keywords" content="rust, rustlang, rust-lang, panic"> <title>std::panic - Rust</title> <link rel="stylesheet" type="text/css" href="../../normalize.css"> <link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"> <link rel="stylesheet" type="text/css" href="../../dark.css"> <link rel="stylesheet" type="text/css" href="../../main.css" id="themeStyle"> <script src="../../storage.js"></script> <link rel="shortcut icon" href="https://doc.rust-lang.org/favicon.ico"> </head> <body class="rustdoc mod"> <!--[if lte IE 8]> <div class="warning"> This old browser is unsupported and will most likely display funky things. </div> <![endif]--> <nav class="sidebar"> <div class="sidebar-menu">☰</div> <a href='../../std/index.html'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='logo' width='100'></a> <p class='location'>Module panic</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#structs">Structs</a></li><li><a href="#traits">Traits</a></li><li><a href="#functions">Functions</a></li></ul></div><p class='location'><a href='../index.html'>std</a></p><script>window.sidebarCurrent = {name: 'panic', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div> </nav> <div class="theme-picker"> <button id="theme-picker" aria-label="Pick another theme!"> <img src="../../brush.svg" width="18" alt="Pick another theme!"> </button> <div id="theme-choices"></div> </div> <script src="../../theme.js"></script> <nav class="sub"> <form class="search-form js-only"> <div class="search-container"> <input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"> </div> </form> </nav> <section id='main' class="content"> <h1 class='fqn'><span class='in-band'>Module <a href='../index.html'>std</a>::<wbr><a class="mod" href=''>panic</a></span><span class='out-of-band'><span class='since' title='Stable since Rust version 1.9.0'>1.9.0</span><span id='render-detail'> <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs"> [<span class='inner'>−</span>] </a> </span><a class='srclink' href='../../src/std/panic.rs.html#11-390' title='goto source code'>[src]</a></span></h1> <div class='docblock'><p>Panic support in the standard library.</p> </div><h2 id='structs' class='section-header'><a href="#structs">Structs</a></h2> <table> <tr class=' module-item'> <td><a class="struct" href="struct.AssertUnwindSafe.html" title='struct std::panic::AssertUnwindSafe'>AssertUnwindSafe</a></td> <td class='docblock-short'> <p>A simple wrapper around a type to assert that it is unwind safe.</p> </td> </tr> <tr class=' module-item'> <td><a class="struct" href="struct.Location.html" title='struct std::panic::Location'>Location</a></td> <td class='docblock-short'> <p>A struct containing information about the location of a panic.</p> </td> </tr> <tr class=' module-item'> <td><a class="struct" href="struct.PanicInfo.html" title='struct std::panic::PanicInfo'>PanicInfo</a></td> <td class='docblock-short'> <p>A struct providing information about a panic.</p> </td> </tr></table><h2 id='traits' class='section-header'><a href="#traits">Traits</a></h2> <table> <tr class=' module-item'> <td><a class="trait" href="trait.RefUnwindSafe.html" title='trait std::panic::RefUnwindSafe'>RefUnwindSafe</a></td> <td class='docblock-short'> <p>A marker trait representing types where a shared reference is considered unwind safe.</p> </td> </tr> <tr class=' module-item'> <td><a class="trait" href="trait.UnwindSafe.html" title='trait std::panic::UnwindSafe'>UnwindSafe</a></td> <td class='docblock-short'> <p>A marker trait which represents "panic safe" types in Rust.</p> </td> </tr></table><h2 id='functions' class='section-header'><a href="#functions">Functions</a></h2> <table> <tr class=' module-item'> <td><a class="fn" href="fn.catch_unwind.html" title='fn std::panic::catch_unwind'>catch_unwind</a></td> <td class='docblock-short'> <p>Invokes a closure, capturing the cause of an unwinding panic if one occurs.</p> </td> </tr> <tr class=' module-item'> <td><a class="fn" href="fn.resume_unwind.html" title='fn std::panic::resume_unwind'>resume_unwind</a></td> <td class='docblock-short'> <p>Triggers a panic without invoking the panic hook.</p> </td> </tr> <tr class=' module-item'> <td><a class="fn" href="fn.set_hook.html" title='fn std::panic::set_hook'>set_hook</a></td> <td class='docblock-short'> <p>Registers a custom panic hook, replacing any that was previously registered.</p> </td> </tr> <tr class=' module-item'> <td><a class="fn" href="fn.take_hook.html" title='fn std::panic::take_hook'>take_hook</a></td> <td class='docblock-short'> <p>Unregisters the current panic hook, returning it.</p> </td> </tr></table></section> <section id='search' class="content hidden"></section> <section class="footer"></section> <aside id="help" class="hidden"> <div> <h1 class="hidden">Help</h1> <div class="shortcuts"> <h2>Keyboard Shortcuts</h2> <dl> <dt><kbd>?</kbd></dt> <dd>Show this help dialog</dd> <dt><kbd>S</kbd></dt> <dd>Focus the search field</dd> <dt><kbd>↑</kbd></dt> <dd>Move up in search results</dd> <dt><kbd>↓</kbd></dt> <dd>Move down in search results</dd> <dt><kbd>↹</kbd></dt> <dd>Switch tab</dd> <dt><kbd>⏎</kbd></dt> <dd>Go to active search result</dd> <dt><kbd>+</kbd></dt> <dd>Expand all sections</dd> <dt><kbd>-</kbd></dt> <dd>Collapse all sections</dd> </dl> </div> <div class="infos"> <h2>Search Tricks</h2> <p> Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type. </p> <p> Accepted types are: 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