1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html><meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 3<title>auto basic_outcome_failure_exception_from_error(const EC &) - Boost.Outcome documentation</title> 4<link rel="stylesheet" href="../../../css/boost.css" type="text/css"> 5<meta name="generator" content="Hugo 0.52 with Boostdoc theme"> 6<meta name="viewport" content="width=device-width,initial-scale=1.0"/> 7 8<link rel="icon" href="../../../images/favicon.ico" type="image/ico"/> 9<body><div class="spirit-nav"> 10<a accesskey="p" href="../../../reference/functions/policy.html"><img src="../../../images/prev.png" alt="Prev"></a> 11 <a accesskey="u" href="../../../reference/functions/policy.html"><img src="../../../images/up.png" alt="Up"></a> 12 <a accesskey="h" href="../../../index.html"><img src="../../../images/home.png" alt="Home"></a><a accesskey="n" href="../../../reference/functions/policy/error_code.html"><img src="../../../images/next.png" alt="Next"></a></div><div id="content"> 13 <div class="titlepage"><div><div><h1 style="clear: both"><code>auto basic_outcome_failure_exception_from_error(const EC &)</code></h1></div></div></div> 14 <p>Synthesises an exception type from an error type, used by the <a href="../../../reference/types/basic_outcome/failure.html" class="api-reference"><code>exception_type failure() const noexcept</code></a> 15 16observers. ADL discovered. Default 17overloads for this function are defined in Outcome for 18<a href="https://en.cppreference.com/w/cpp/error/error_code" class="api-reference" target="_blank"><i class="fa fa-book" aria-hidden="true"></i> <code>std::error_code</code></a> 19 20and <code>boost::system::error_code</code>, these return <code>std::make_exception_ptr(std::system_error(ec))</code> 21and <code>boost::copy_exception(boost::system::system_error(ec))</code> respectively.</p> 22 23<p><em>Overridable</em>: Argument dependent lookup.</p> 24 25<p><em>Requires</em>: Nothing.</p> 26 27<p><em>Namespace</em>: Namespace of <code>EC</code> type.</p> 28 29<p><em>Header</em>: <code><boost/outcome/std_outcome.hpp></code>, <code><boost/outcome/boost_outcome.hpp></code></p> 30 31 32 </div><p><small>Last revised: February 06, 2019 at 16:50:01 UTC</small></p> 33<hr> 34<div class="spirit-nav"> 35<a accesskey="p" href="../../../reference/functions/policy.html"><img src="../../../images/prev.png" alt="Prev"></a> 36 <a accesskey="u" href="../../../reference/functions/policy.html"><img src="../../../images/up.png" alt="Up"></a> 37 <a accesskey="h" href="../../../index.html"><img src="../../../images/home.png" alt="Home"></a><a accesskey="n" href="../../../reference/functions/policy/error_code.html"><img src="../../../images/next.png" alt="Next"></a></div></body> 38</html> 39