34 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| 
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| //  (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
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| //  Use, modification and distribution are subject to the Boost Software License,
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| //  Version 1.0. (See 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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| //
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| //  See http://www.boost.org/libs/type_traits for most recent version including documentation.
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| 
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| #ifndef BOOST_TT_IS_STATELESS_HPP_INCLUDED
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| #define BOOST_TT_IS_STATELESS_HPP_INCLUDED
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| 
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| #include <boost/type_traits/has_trivial_constructor.hpp>
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| #include <boost/type_traits/has_trivial_copy.hpp>
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| #include <boost/type_traits/has_trivial_destructor.hpp>
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| #include <boost/type_traits/is_class.hpp>
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| #include <boost/type_traits/is_empty.hpp>
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| #include <boost/config.hpp>
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| 
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| namespace boost {
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| 
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| template <typename T>
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| struct is_stateless
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|  : public integral_constant<bool,  
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|       (::boost::has_trivial_constructor<T>::value
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|       && ::boost::has_trivial_copy<T>::value
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|       && ::boost::has_trivial_destructor<T>::value
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|       && ::boost::is_class<T>::value
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|       && ::boost::is_empty<T>::value)>
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| {};
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| 
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| } // namespace boost
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| 
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| #endif // BOOST_TT_IS_STATELESS_HPP_INCLUDED
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