GL Profile Suite / boost_1_51_0 / boost / fusion / support / as_const.hpp

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    Copyright (c) 2012 Nathan Ridge

    Distributed under the Boost Software License, Version 1.0. (See accompanying
    file LICENSE_1_0.txt or copy at

namespace boost { namespace fusion { namespace extension
    // A customization point that allows certain wrappers around
    // Fusion sequence elements (e.g. adt_attribute_proxy) to be
    // unwrapped in contexts where the element only needs to be
    // read. The library wraps accesses to Fusion elements in
    // such contexts with calls to this function. Users can
    // specialize this function for their own wrappers.
    template <typename T>
    const T& as_const(const T& obj)
        return obj;