1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// (C) Copyright John Maddock 2005.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifdef TEST_STD_HEADERS
#include <functional>
#else
#include <boost/tr1/functional.hpp>
#endif
#include <boost/static_assert.hpp>
#include <boost/type_traits/is_same.hpp>
struct int_result_type { typedef int result_type; };
struct int_result_of
{
template<typename F> struct result { typedef int type; };
};
struct int_result_type_and_float_result_of
{
typedef int result_type;
template<typename F> struct result { typedef float type; };
};
struct X {};
int main()
{
typedef int (*func_ptr)(float, double);
typedef int (&func_ref)(float, double);
typedef int (X::*mem_func_ptr)(float);
typedef int (X::*mem_func_ptr_c)(float) const;
typedef int (X::*mem_func_ptr_v)(float) volatile;
typedef int (X::*mem_func_ptr_cv)(float) const volatile;
BOOST_STATIC_ASSERT((::boost::is_same< ::std::tr1::result_of<int_result_type(float)>::type, int>::value));
BOOST_STATIC_ASSERT((::boost::is_same< ::std::tr1::result_of<int_result_of(double)>::type, int>::value));
BOOST_STATIC_ASSERT((::boost::is_same< ::std::tr1::result_of<int_result_of(void)>::type, void>::value));
BOOST_STATIC_ASSERT((::boost::is_same< ::std::tr1::result_of<const int_result_of(double)>::type, int>::value));
BOOST_STATIC_ASSERT((::boost::is_same< ::std::tr1::result_of<volatile int_result_of(void)>::type, void>::value));
BOOST_STATIC_ASSERT((::boost::is_same< ::std::tr1::result_of<int_result_type_and_float_result_of(char)>::type, int>::value));
BOOST_STATIC_ASSERT((::boost::is_same< ::std::tr1::result_of<func_ptr(char, float)>::type, int>::value));
BOOST_STATIC_ASSERT((::boost::is_same< ::std::tr1::result_of<func_ref(char, float)>::type, int>::value));
BOOST_STATIC_ASSERT((::boost::is_same< ::std::tr1::result_of<mem_func_ptr(X,char)>::type, int>::value));
BOOST_STATIC_ASSERT((::boost::is_same< ::std::tr1::result_of<mem_func_ptr_c(X,char)>::type, int>::value));
BOOST_STATIC_ASSERT((::boost::is_same< ::std::tr1::result_of<mem_func_ptr_v(X,char)>::type, int>::value));
BOOST_STATIC_ASSERT((::boost::is_same< ::std::tr1::result_of<mem_func_ptr_cv(X,char)>::type, int>::value));
return 0;
}
|
