51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
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// Copyright (C) 2009-2012 Lorenzo Caminiti
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// Distributed under the Boost Software License, Version 1.0
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// (see accompanying file LICENSE_1_0.txt or a copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Home at http://www.boost.org/libs/functional/overloaded_function
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#ifndef BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_HPP_
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#define BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_HPP_
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/** @file
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@brief Change the compile-time configuration of this library.
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*/
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/**
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@brief Specify the maximum number of arguments of the functions being
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overloaded.
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If this macro is left undefined by the user, it has a default value of 5
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(increasing this number might increase compilation time).
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When specified by the user, this macro must be a non-negative integer number.
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@See @RefSect{getting_started, Getting Started},
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@RefClass{boost::overloaded_function}.
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*/
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#ifndef BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_ARITY_MAX
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# define BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_ARITY_MAX 5
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#endif
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/**
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@brief Specify the maximum number of functions that can be overloaded.
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If this macro is left undefined by the user, it has a default value of 5
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(increasing this number might increase compilation time).
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When defined by the user, this macro must be an integer number greater or
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equal than 2 (because at least two distinct functions need to be specified in
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order to define an overload).
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@See @RefSect{getting_started, Getting Started},
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@RefClass{boost::overloaded_function}.
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*/
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#ifndef BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_OVERLOAD_MAX
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# define BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_OVERLOAD_MAX 5
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#endif
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#if BOOST_FUNCTIONAL_OVERLOADED_FUNCTION_CONFIG_OVERLOAD_MAX < 2
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# error "maximum overload macro cannot be less than 2"
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#endif
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#endif // #include guard
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