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| <h2><span class="refentrytitle">Macro BOOST_TTI_HAS_MEMBER_DATA</span></h2> |
| <p>BOOST_TTI_HAS_MEMBER_DATA — Expands to a metafunction which tests whether a member data with a particular name and type exists. </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: <<a class="link" href="header/boost/tti/has_member_data_hpp.html" title="Header <boost/tti/has_member_data.hpp>">boost/tti/has_member_data.hpp</a>> |
| |
| </span>BOOST_TTI_HAS_MEMBER_DATA(name)</pre></div> |
| <div class="refsect1"> |
| <a name="idp102996384"></a><h2>Description</h2> |
| <p>name = the name of the inner member.</p> |
| <p>generates a metafunction called "has_member_data_name" where 'name' is the macro parameter. template<class BOOST_TTI_TP_ET,class BOOST_TTI_TP_TYPE> |
| struct has_member_data_name |
| { |
| static const value = unspecified; |
| typedef mpl::bool_<true-or-false> type; |
| }; |
| |
| The metafunction types and return: |
| |
| BOOST_TTI_TP_ET = the enclosing type in which to look for our 'name' |
| OR |
| The type of the member data in the form of a pointer |
| to member data. |
| |
| BOOST_TTI_TP_TYPE = (optional) The type of the member data if the first |
| parameter is the enclosing type. |
| |
| returns = 'value' is true if the 'name' exists, with the correct data type, |
| otherwise 'value' is false. </p> |
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| <td align="right"><div class="copyright-footer">Copyright © 2011-2013 Tropic Software |
| East Inc<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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