is_variadic.cpp

来自「Boost provides free peer-reviewed portab」· C++ 代码 · 共 144 行

// (C) Copyright Tobias Schwinger
//
// Use modification and distribution are subject to the boost Software License,
// Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt).

//------------------------------------------------------------------------------

#include <boost/mpl/assert.hpp>
#include <boost/function_types/is_callable_builtin.hpp>

namespace ft = boost::function_types;

typedef void func(...);
typedef void nv_func();
typedef void (*func_ptr)(...);
typedef void (*nv_func_ptr)();
typedef void (&func_ref)(...);
typedef void (&nv_func_ref)();
class C; 
typedef void (C::*mem_func_ptr)(...);
typedef void (C::*nv_mem_func_ptr)();
typedef void (C::*c_mem_func_ptr)(...) const;
typedef void (C::*v_mem_func_ptr)(...) volatile;
typedef void (C::*cv_mem_func_ptr)(...) const volatile;
typedef int C::* mem_ptr;

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< func >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< func, ft::variadic >
));

BOOST_MPL_ASSERT_NOT((
  ft::is_callable_builtin< func, ft::non_variadic >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< nv_func >
));

BOOST_MPL_ASSERT_NOT((
  ft::is_callable_builtin< nv_func, ft::variadic >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< nv_func, ft::non_variadic >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< func_ptr >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< func_ptr, ft::variadic>
));

BOOST_MPL_ASSERT_NOT((
  ft::is_callable_builtin< func_ptr, ft::non_variadic >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< nv_func_ptr >
));

BOOST_MPL_ASSERT_NOT((
  ft::is_callable_builtin< nv_func_ptr, ft::variadic>
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< nv_func_ptr, ft::non_variadic >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< func_ref >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< mem_func_ptr >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< mem_func_ptr, ft::variadic >
));

BOOST_MPL_ASSERT_NOT((
  ft::is_callable_builtin< mem_func_ptr, ft::non_variadic >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< nv_mem_func_ptr >
));

BOOST_MPL_ASSERT_NOT((
  ft::is_callable_builtin< nv_mem_func_ptr, ft::variadic >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< nv_mem_func_ptr, ft::non_variadic >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< c_mem_func_ptr >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< v_mem_func_ptr >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< cv_mem_func_ptr >
));

BOOST_MPL_ASSERT_NOT((
  ft::is_callable_builtin< func_ptr* >
));

BOOST_MPL_ASSERT_NOT((
  ft::is_callable_builtin< mem_func_ptr* >
));

BOOST_MPL_ASSERT_NOT((
  ft::is_callable_builtin< C, ft::variadic >
));

BOOST_MPL_ASSERT_NOT((
  ft::is_callable_builtin< C, ft::non_variadic >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< mem_ptr >
));

BOOST_MPL_ASSERT_NOT((
  ft::is_callable_builtin< mem_ptr, ft::variadic >
));

BOOST_MPL_ASSERT((
  ft::is_callable_builtin< mem_ptr, ft::non_variadic >
));