ceph/src/boost/libs/functional/include/boost/functional/overloaded_function/config.hpp

   1
   2 // Copyright (C) 2009-2012 Lorenzo Caminiti
   3 // Distributed under the Boost Software License, Version 1.0
   4 // (see accompanying file LICENSE_1_0.txt or a copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6 // Home at http://www.boost.org/libs/functional/overloaded_function
   7
   8 #ifndef BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_HPP_
   9 #define BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_HPP_
  10
  11 /** @file
  12 @brief Change the compile-time configuration of this library.
  13 */
  14
  15 /**
  16 @brief Specify the maximum number of arguments of the functions being
  17 overloaded.
  18
  19 If this macro is left undefined by the user, it has a default value of 5
  20 (increasing this number might increase compilation time).
  21 When specified by the user, this macro must be a non-negative integer number.
  22
  23 @See @RefSect{getting_started, Getting Started},
  24 @RefClass{boost::overloaded_function}.
  25 */
  26 #ifndef BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_ARITY_MAX
  27 #   define BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_ARITY_MAX 5
  28 #endif
  29
  30 /**
  31 @brief Specify the maximum number of functions that can be overloaded.
  32
  33 If this macro is left undefined by the user, it has a default value of 5
  34 (increasing this number might increase compilation time).
  35 When defined by the user, this macro must be an integer number greater or
  36 equal than 2 (because at least two distinct functions need to be specified in
  37 order to define an overload).
  38
  39 @See @RefSect{getting_started, Getting Started},
  40 @RefClass{boost::overloaded_function}.
  41 */
  42 #ifndef BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_OVERLOAD_MAX
  43 #   define BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_OVERLOAD_MAX 5
  44 #endif
  45 #if BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_OVERLOAD_MAX < 2
  46 #   error "maximum overload macro cannot be less than 2"
  47 #endif
  48
  49 #endif // #include guard
  50