forked from boostorg/type_traits
Add new versions of decay, extent, function_traits.
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// (C) Copyright John Maddock & Thorsten Ottosen 2005.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include "test.hpp"
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#include "check_integral_constant.hpp"
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#ifdef TEST_STD
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# include <type_traits>
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#else
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# include <boost/type_traits/decay.hpp>
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# include <boost/type_traits/is_same.hpp>
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#endif
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#include <iostream>
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#include <string>
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#include <utility>
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#ifdef BOOST_INTEL
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// remark #383: value copied to temporary, reference to temporary used
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// std::pair<std::string, int> p2 = boost::make_pair( "foo", 1 );
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// ^
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#pragma warning(disable:383)
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#endif
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namespace boost
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{
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int proc1()
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{
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return 0;
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}
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int proc2(int c)
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{
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return c;
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}
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//
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// An almost optimal version of std::make_pair()
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//
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template< class F, class S >
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inline std::pair< BOOST_DEDUCED_TYPENAME tt::decay<const F>::type,
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BOOST_DEDUCED_TYPENAME tt::decay<const S>::type >
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make_pair( const F& f, const S& s )
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{
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return std::pair< BOOST_DEDUCED_TYPENAME tt::decay<const F>::type,
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BOOST_DEDUCED_TYPENAME tt::decay<const S>::type >( f, s );
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}
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/*
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This overload will mess up vc7.1
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template< class F, class S >
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inline std::pair< BOOST_DEDUCED_TYPENAME ::tt::decay<F>::type,
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BOOST_DEDUCED_TYPENAME ::tt::decay<S>::type >
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make_pair( F& f, S& s )
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{
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return std::pair< BOOST_DEDUCED_TYPENAME ::tt::decay<F>::type,
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BOOST_DEDUCED_TYPENAME ::tt::decay<S>::type >( f, s );
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}
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*/
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}
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TT_TEST_BEGIN(is_class)
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_same<
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::tt::decay<int>::type,int>::value),
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true );
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_same<
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::tt::decay<char[2]>::type,char*>::value),
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true );
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_same<
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::tt::decay<char[2][3]>::type,char(*)[3]>::value),
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true );
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_same<
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::tt::decay<const char[2]>::type,const char*>::value),
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true );
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_same<
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::tt::decay<wchar_t[2]>::type,wchar_t*>::value),
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true );
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_same<
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::tt::decay<const wchar_t[2]>::type,const wchar_t*>::value),
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true );
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_same<
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::tt::decay<const wchar_t[2]>::type,const wchar_t*>::value),
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true );
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typedef int f1_type(void);
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typedef int f2_type(int);
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_same<
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::tt::decay<f1_type>::type,int (*)(void)>::value),
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true );
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::is_same<
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::tt::decay<f2_type>::type,int (*)(int)>::value),
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true );
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std::pair<std::string,std::string> p = boost::make_pair( "foo", "bar" );
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std::pair<std::string, int> p2 = boost::make_pair( "foo", 1 );
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#ifndef BOOST_NO_STD_WSTRING
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std::pair<std::wstring,std::string> p3 = boost::make_pair( L"foo", "bar" );
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std::pair<std::wstring, int> p4 = boost::make_pair( L"foo", 1 );
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#endif
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//
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// Todo: make these work sometime. The test id not directly
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// related to decay<T>::type and can be avoided for now.
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//
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/*
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int array[10];
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std::pair<int*,int*> p5 = boost::make_pair( array, array );
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#ifndef __BORLANDC__
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std::pair<int(*)(void), int(*)(int)> p6 = boost::make_pair(boost::proc1, boost::proc2);
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p6.first();
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p6.second(1);
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#endif
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*/
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TT_TEST_END
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@@ -0,0 +1,49 @@
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// (C) Copyright John Maddock 2005.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include "test.hpp"
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#include "check_integral_constant.hpp"
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#ifdef TEST_STD
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# include <type_traits>
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#else
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# include <boost/type_traits/extent.hpp>
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#endif
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TT_TEST_BEGIN(extent)
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::extent<int>::value, 0);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::extent<int[]>::value, 0);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::extent<int[][10]>::value, 0);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::extent<int[5][10]>::value, 5);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::extent<int[5][10][40]>::value, 5);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::extent<int (&)[5][10]>::value, 0);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::extent<int (*)[5][10]>::value, 0);
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::extent<int,1>::value), 0);
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::extent<int[],1>::value), 0);
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::extent<int[][10],1>::value), 10);
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::extent<int[5][10],1>::value), 10);
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::extent<int[5][10][40],1>::value), 10);
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::extent<int (&)[5][10],1>::value), 0);
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::extent<int (*)[5][10],1>::value), 0);
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::extent<int[5][10],2>::value), 0);
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::extent<int[5][10][40],2>::value), 40);
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BOOST_CHECK_INTEGRAL_CONSTANT((::tt::extent<int[5][10][40],3>::value), 0);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::extent<int*>::value, 0);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::extent<int&>::value, 0);
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::extent<int&&>::value, 0);
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#endif
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TT_TEST_END
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@@ -0,0 +1,68 @@
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// (C) Copyright John Maddock 2000.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include "test.hpp"
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#include "check_type.hpp"
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#include "check_integral_constant.hpp"
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#ifdef TEST_STD
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# include <type_traits>
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#else
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# include <boost/type_traits/function_traits.hpp>
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#endif
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typedef void(pf_zero1)();
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typedef int(pf_zero2)();
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typedef const int& (pf_zero3)();
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typedef void(pf_one1)(int);
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typedef int(pf_one2)(int);
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typedef const int&(pf_one3)(const int&);
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typedef void(pf_two1)(int,int);
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typedef int(pf_two2)(int,int);
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typedef const int&(pf_two3)(const int&,const int&);
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TT_TEST_BEGIN(function_traits)
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::function_traits<pf_zero1>::arity, 0);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::function_traits<pf_zero2>::arity, 0);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::function_traits<pf_zero3>::arity, 0);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::function_traits<pf_one1>::arity, 1);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::function_traits<pf_one2>::arity, 1);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::function_traits<pf_one3>::arity, 1);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::function_traits<pf_two1>::arity, 2);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::function_traits<pf_two2>::arity, 2);
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BOOST_CHECK_INTEGRAL_CONSTANT(::tt::function_traits<pf_two3>::arity, 2);
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BOOST_CHECK_TYPE(void, ::tt::function_traits<pf_zero1>::result_type);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_zero2>::result_type, int);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_zero3>::result_type, const int&);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_one1>::result_type, void);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_one2>::result_type, int);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_one3>::result_type, const int&);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_two1>::result_type, void);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_two2>::result_type, int);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_two3>::result_type, const int&);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_one1>::arg1_type, int);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_one2>::arg1_type, int);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_one3>::arg1_type, const int&);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_two1>::arg1_type, int);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_two2>::arg1_type, int);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_two3>::arg1_type, const int&);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_two1>::arg2_type, int);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_two2>::arg2_type, int);
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BOOST_CHECK_TYPE(::tt::function_traits<pf_two3>::arg2_type, const int&);
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TT_TEST_END
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