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<h2><span class="refentrytitle">Macro BOOST_PROTO_MAX_ARITY</span></h2>
<p>BOOST_PROTO_MAX_ARITY &#8212; Controls the maximum number of child nodes an expression may have.</p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="proto/reference.html#header.boost.proto.proto_fwd_hpp" title="Header &lt;boost/proto/proto_fwd.hpp&gt;">boost/proto/proto_fwd.hpp</a>&gt;

</span>BOOST_PROTO_MAX_ARITY</pre></div>
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<a name="idp455564016"></a><h2>Description</h2>
<p>
        <code class="computeroutput">BOOST_PROTO_MAX_ARITY</code> defaults to 10. It may be set higher or lower, but not
        lower than 3. Setting it higher will have a negative effect on compile times. 
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<p>
        See also <code class="computeroutput"><a class="link" href="BOOST_PROTO_MAX_FUNCTION_CALL_ARITY.html" title="Macro BOOST_PROTO_MAX_FUNCTION_CALL_ARITY">BOOST_PROTO_MAX_FUNCTION_CALL_ARITY</a></code>.
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<td align="right"><div class="copyright-footer">Copyright &#169; 2008 Eric Niebler<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or 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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