1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Macro BOOST_CONTRACT_NO_CONSTRUCTORS</title> 5<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="index.html" title="Chapter 1. Boost.Contract 1.0.0"> 8<link rel="up" href="reference.html#header.boost.contract.core.config_hpp" title="Header <boost/contract/core/config.hpp>"> 9<link rel="prev" href="BOOST_CONTRACT_NO_OLDS.html" title="Macro BOOST_CONTRACT_NO_OLDS"> 10<link rel="next" href="BOOST_CO_idm46268585407008.html" title="Macro BOOST_CONTRACT_NO_DESTRUCTORS"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 15<td align="center"><a href="../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="BOOST_CONTRACT_NO_OLDS.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="reference.html#header.boost.contract.core.config_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="BOOST_CO_idm46268585407008.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="refentry"> 26<a name="BOOST_CO_idm46268585417872"></a><div class="titlepage"></div> 27<div class="refnamediv"> 28<h2><span class="refentrytitle">Macro BOOST_CONTRACT_NO_CONSTRUCTORS</span></h2> 29<p>BOOST_CONTRACT_NO_CONSTRUCTORS — Automatically defined by this library when contracts are not checked for constructors. </p> 30</div> 31<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 32<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="reference.html#header.boost.contract.core.config_hpp" title="Header <boost/contract/core/config.hpp>">boost/contract/core/config.hpp</a>> 33 34</span>BOOST_CONTRACT_NO_CONSTRUCTORS</pre></div> 35<div class="refsect1"> 36<a name="idm45988679471584"></a><h2>Description</h2> 37<p>This macro is not a configuration macro and this library will generate a compile-time error if users try to define it directly. This library will automatically define this macro when users define all <code class="computeroutput"><a class="link" href="BOOST_CO_idm46268585434496.html" title="Macro BOOST_CONTRACT_NO_INVARIANTS">BOOST_CONTRACT_NO_INVARIANTS</a></code>, <code class="computeroutput"><a class="link" href="BOOST_CO_idm46268585468496.html" title="Macro BOOST_CONTRACT_NO_POSTCONDITIONS">BOOST_CONTRACT_NO_POSTCONDITIONS</a></code>, and <code class="computeroutput"><a class="link" href="BOOST_CONTRACT_NO_EXCEPTS.html" title="Macro BOOST_CONTRACT_NO_EXCEPTS">BOOST_CONTRACT_NO_EXCEPTS</a></code>. Users can manually program <code class="computeroutput">#ifndef</code> statements in their code using this macro to completely disable compilation of contracts for constructors or use the macros defined in <code class="computeroutput">boost/contract_macro.hpp</code> (recommended only for applications where it is truly necessary to completely remove contract code compilation from production code).</p> 38<div class="note"><table border="0" summary="Note"> 39<tr> 40<td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../doc/src/images/note.png"></td> 41<th align="left">Note</th> 42</tr> 43<tr><td align="left" valign="top"><p>Constructor preconditions are checked separately by <code class="computeroutput"><a class="link" href="boost/contract/constructor_precondition.html" title="Class template constructor_precondition">boost::contract::constructor_precondition</a></code> so they are disabled by <code class="computeroutput"><a class="link" href="BOOST_CO_idm46268585474880.html" title="Macro BOOST_CONTRACT_NO_PRECONDITIONS">BOOST_CONTRACT_NO_PRECONDITIONS</a></code> instead.</p></td></tr> 44</table></div> 45<p> 46</p> 47<p><span class="bold"><strong>See Also:</strong></span></p> 48<p> <a class="link" href="boost_contract/tutorial.html#boost_contract.tutorial.constructors" title="Constructors"> Constructors</a>, <a class="link" href="boost_contract/extras.html#boost_contract.extras.disable_contract_compilation__macro_interface_" title="Disable Contract Compilation (Macro Interface)"> 49 Disable Contract Compilation</a> </p> 50<p> 51</p> 52<p> 53</p> 54</div> 55</div> 56<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 57<td align="left"></td> 58<td align="right"><div class="copyright-footer">Copyright © 2008-2019 Lorenzo Caminiti<p> 59 Distributed under the Boost Software License, Version 1.0 (see accompanying 60 file LICENSE_1_0.txt or a copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 61 </p> 62</div></td> 63</tr></table> 64<hr> 65<div class="spirit-nav"> 66<a accesskey="p" href="BOOST_CONTRACT_NO_OLDS.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="reference.html#header.boost.contract.core.config_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="BOOST_CO_idm46268585407008.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 67</div> 68</body> 69</html> 70