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>std::ostream &operator<<(std::ostream &, const basic_outcome<T, EC, EP, NoValuePolicy> &) - 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/iostream/result_operator_in.html"><img src="../../../images/prev.png" alt="Prev"></a> 11 <a accesskey="u" href="../../../reference/functions/iostream.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/iostream/result_operator_out.html"><img src="../../../images/next.png" alt="Next"></a></div><div id="content"> 13 <div class="titlepage"><div><div><h1 style="clear: both"><code>std::ostream &operator<<(std::ostream &, const basic_outcome<T, EC, EP, NoValuePolicy> &)</code></h1></div></div></div> 14 <p>Serialises a <code>basic_outcome</code> to a <code>std::ostream</code>.</p> 15 16<p>Serialisation format is:</p> 17 18<pre><code><unsigned int flags><space><value_type if set and not void><error_type if set and not void><exception_type if set and not void> 19</code></pre> 20 21<p>This is the <strong>wrong</strong> function to use if you wish to print human readable output. 22Use <a href="../../../reference/functions/iostream/outcome_print.html" class="api-reference"><code>std::string print(const basic_outcome<T, EC, EP, NoValuePolicy> &)</code></a> 23 instead.</p> 24 25<p><em>Overridable</em>: Not overridable.</p> 26 27<p><em>Requires</em>: That <code>operator<<</code> is a valid expression for <code>std::ostream</code> and <code>T</code>, <code>EC</code> and <code>EP</code>.</p> 28 29<p><em>Namespace</em>: <code>BOOST_OUTCOME_V2_NAMESPACE</code></p> 30 31<p><em>Header</em>: <code><boost/outcome/iostream_support.hpp></code> (must be explicitly included manually).</p> 32 33 34 </div><p><small>Last revised: March 03, 2019 at 21:04:29 UTC</small></p> 35<hr> 36<div class="spirit-nav"> 37<a accesskey="p" href="../../../reference/functions/iostream/result_operator_in.html"><img src="../../../images/prev.png" alt="Prev"></a> 38 <a accesskey="u" href="../../../reference/functions/iostream.html"><img src="../../../images/up.png" alt="Up"></a> 39 <a accesskey="h" href="../../../index.html"><img src="../../../images/home.png" alt="Home"></a><a accesskey="n" href="../../../reference/functions/iostream/result_operator_out.html"><img src="../../../images/next.png" alt="Next"></a></div></body> 40</html> 41