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>operator co_await as TRY operator - 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="../../../tutorial/essential/coroutines/returning.html"><img src="../../../images/prev.png" alt="Prev"></a> 11 <a accesskey="u" href="../../../tutorial/essential/coroutines.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="../../../tutorial/essential/conventions.html"><img src="../../../images/next.png" alt="Next"></a></div><div id="content"> 13 <div class="titlepage"><div><div><h1 style="clear: both"><code>operator co_await</code> as TRY operator</h1></div></div></div> 14 <p>Many people have requested that <code>operator co_await</code> be overloaded to 15behave as a TRY operator when supplied with an Outcome type.</p> 16 17<p>Outcome does not implement that extension, nor will we accept PRs 18contributing support for this. We think you should use <code>BOOST_OUTCOME_CO_TRY()</code> 19as this will lead to more maintainable and future proof code.</p> 20 21<p>However, we deliberately do not get in the way of you implementing 22that overload yourself in your own Outcome-based code. Just be sure 23that you document what you are doing loudly and clearly, and be 24aware that future C++ standards may have a proper <code>operator try</code> 25overload mechanism.</p> 26 27 28 </div><p><small>Last revised: April 07, 2020 at 10:22:38 +0100</small></p> 29<hr> 30<div class="spirit-nav"> 31<a accesskey="p" href="../../../tutorial/essential/coroutines/returning.html"><img src="../../../images/prev.png" alt="Prev"></a> 32 <a accesskey="u" href="../../../tutorial/essential/coroutines.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="../../../tutorial/essential/conventions.html"><img src="../../../images/next.png" alt="Next"></a></div></body> 34</html> 35