projects / ceph.git / blame
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| 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 |