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[857] | 1 | // Copyright Daniel Wallin, David Abrahams 2005. Use, modification and
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| 2 | // distribution is subject to the Boost Software License, Version 1.0. (See
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| 3 | // accompanying file LICENSE_1_0.txt or copy at
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| 4 | // http://www.boost.org/LICENSE_1_0.txt)
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| 5 |
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| 6 | #ifndef PARAMETER_REQUIREMENTS_050331_HPP
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| 7 | #define PARAMETER_REQUIREMENTS_050331_HPP
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| 8 |
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| 9 | namespace boost { namespace parameter { namespace aux {
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| 10 |
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| 11 | // Used to pass static information about parameter requirements
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| 12 | // through the satisfies() overload set (below). The
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| 13 | // matched function is never invoked, but its type indicates whether
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| 14 | // a parameter matches at compile-time
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| 15 | template <class Keyword, class Predicate, class HasDefault>
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| 16 | struct parameter_requirements
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| 17 | {
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| 18 | typedef Keyword keyword;
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| 19 | typedef Predicate predicate;
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| 20 | typedef HasDefault has_default;
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| 21 | };
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| 22 |
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| 23 | }}} // namespace boost::parameter::aux
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| 24 |
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| 25 | #endif // PARAMETER_REQUIREMENTS_050331_HPP
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