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>all_narrow - 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/policies/base/narrow_exception_check.html"><img src="../../images/prev.png" alt="Prev"></a> 11 <a accesskey="u" href="../../reference/policies.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/policies/error_code_throw_as_system_error_outcome.html"><img src="../../images/next.png" alt="Next"></a></div><div id="content"> 13 <div class="titlepage"><div><div><h1 style="clear: both"><code>all_narrow</code></h1></div></div></div> 14 <p>Policy class defining that hard undefined behaviour should occur on incorrect narrow and wide value, error or exception observation.</p> 15 16<p>Inherits publicly from <a href="../../reference/policies/base.html" class="api-reference"><code>base</code></a> 17, and simply defines its wide value, error and exception observer policies to call their corresponding narrow editions.</p> 18 19<p>Included by <code><basic_result.hpp></code>, and so is always available when <code>basic_result</code> is available.</p> 20 21<p><em>Requires</em>: Nothing.</p> 22 23<p><em>Namespace</em>: <code>BOOST_OUTCOME_V2_NAMESPACE::policy</code></p> 24 25<p><em>Header</em>: <code><boost/outcome/policy/all_narrow.hpp></code></p> 26 27 28 </div><p><small>Last revised: January 22, 2019 at 01:11:40 UTC</small></p> 29<hr> 30<div class="spirit-nav"> 31<a accesskey="p" href="../../reference/policies/base/narrow_exception_check.html"><img src="../../images/prev.png" alt="Prev"></a> 32 <a accesskey="u" href="../../reference/policies.html"><img src="../../images/up.png" alt="Up"></a> 33 <a accesskey="h" href="../../index.html"><img src="../../images/home.png" alt="Home"></a><a accesskey="n" href="../../reference/policies/error_code_throw_as_system_error_outcome.html"><img src="../../images/next.png" alt="Next"></a></div></body> 34</html> 35