catch_builtin.cpp

来自「boost库提供标准的C++ API 配合dev c++使用,功能更加强大」· C++ 代码 · 共 53 行

# /* Copyright (C) 2002
#  * Housemarque Oy
#  * http://www.housemarque.com
#  *
#  * Permission to copy, use, modify, sell and distribute this software is
#  * granted provided this copyright notice appears in all copies. This
#  * software is provided "as is" without express or implied warranty, and
#  * with no claim as to its suitability for any purpose.
#  */
#
# /* Revised by Paul Mensonides (2002) */
#
# /* See http://www.boost.org for most recent version. */
#
# /* This example demonstrates the usage of lists and BOOST_PP_LIST_FOR_EACH(). */
#
# include <iostream>
# include <typeinfo>
#
# include <boost/preprocessor/list/for_each.hpp>
# include <boost/preprocessor/tuple/to_list.hpp>
#
# /* List of built-in types.  (Strictly speaking wchar_t should be on the list.) */
#
# define BUILTIN_TYPES \
   BOOST_PP_TUPLE_TO_LIST( \
      13, \
      ( \
         bool, \
         char, signed char, unsigned char, \
         unsigned short, short, \
         int, unsigned, \
         long, unsigned long, \
         float, \
         double, long double \
      ) \
   ) \
   /**/
#
# define CATCH(R, _, T) \
   catch (T t) { \
      std::cerr << "Caught an " << typeid(t).name() << " = " << t; \
   } \
   /**/

int main() {
   try {
      throw 10;
   }
   BOOST_PP_LIST_FOR_EACH(CATCH, _, BUILTIN_TYPES)
   return 0;
}