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29 lines
794 B
29 lines
794 B
// Copyright David Abrahams 2003. |
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// Distributed under the Boost Software License, Version 1.0. (See |
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// accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef IMPLICIT_CAST_DWA200356_HPP |
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# define IMPLICIT_CAST_DWA200356_HPP |
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# include <boost/mpl/identity.hpp> |
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namespace boost { |
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// implementation originally suggested by C. Green in |
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// http://lists.boost.org/MailArchives/boost/msg00886.php |
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// The use of identity creates a non-deduced form, so that the |
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// explicit template argument must be supplied |
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template <typename T> |
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inline T implicit_cast (typename mpl::identity<T>::type x) { |
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return x; |
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} |
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// incomplete return type now is here |
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//template <typename T> |
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//void implicit_cast (...); |
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} // namespace boost |
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#endif // IMPLICIT_CAST_DWA200356_HPP
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