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<h2><span class="refentrytitle">Macro BOOST_CONTRACT_PRECONDITIONS_DISABLE_NO_ASSERTION</span></h2>
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<p>BOOST_CONTRACT_PRECONDITIONS_DISABLE_NO_ASSERTION — Define this macro to not disable other assertions while checking preconditions (undefined by default). </p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
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<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>>
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</span>BOOST_CONTRACT_PRECONDITIONS_DISABLE_NO_ASSERTION</pre></div>
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<div class="refsect1">
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<a name="idm45909320556832"></a><h2>Description</h2>
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<p>Not disabling other assertions while checking preconditions can lead to infinite recursion in user code so by default this macro is not defined.</p>
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<p>However, the <a class="link" href="boost_contract/bibliography.html" title="Bibliography"> [N1962]</a> proposal does not disable assertions while checking preconditions because arguments can reach the function body unchecked if assertions are disabled while checking preconditions (e.g., when these same functions bodies are called to check the preconditions in question). This macro can be defined to obtain the behaviour specified in <a class="link" href="boost_contract/bibliography.html" title="Bibliography"> [N1962]</a> (at the risk of infinite recursion).</p>
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<p><span class="bold"><strong>See Also:</strong></span></p>
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<p> <a class="link" href="boost_contract/contract_programming_overview.html#boost_contract.contract_programming_overview.feature_summary" title="Feature Summary">
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Feature Summary</a> </p>
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<td align="right"><div class="copyright-footer">Copyright © 2008-2019 Lorenzo Caminiti<p>
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Distributed under the Boost Software License, Version 1.0 (see accompanying
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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>)
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