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void_

Synopsis

struct[void\_](./void.html){
    typedef[void\_](./void.html)type;
};

template< typename T > struct is_void;

Description

void_ is a generic type placeholder representing "nothing".

Header

#include <[boost/mpl/void.hpp](../../../../boost/mpl/void.hpp)>

See also

Data Types, pair, empty_base, bool_, int_, integral_c

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Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |