1 // -- core.hpp -- Boost Lambda Library ------------------------------------- 2 // 3 // Copyright (C) 2000 Gary Powell (powellg@amazon.com) 4 // Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi) 5 // 6 // Distributed under the Boost Software License, Version 1.0. (See 7 // accompanying file LICENSE_1_0.txt or copy at 8 // http://www.boost.org/LICENSE_1_0.txt) 9 // 10 // For more information, see www.boost.org 11 // 12 // Includes the core of LL, without any real features for client: 13 // 14 // tuples, lambda functors, return type deduction templates, 15 // argument substitution mechanism (select functions) 16 // 17 // Some functionality comes as well: 18 // Assignment and subscript operators, as well as function 19 // call operator for placeholder variables. 20 // ------------------------------------------------------------------------- 21 22 #ifndef BOOST_LAMBDA_CORE_HPP 23 #define BOOST_LAMBDA_CORE_HPP 24 25 #include "boost/config.hpp" 26 27 #include "boost/type_traits/transform_traits.hpp" 28 #include "boost/type_traits/cv_traits.hpp" 29 30 #include "boost/tuple/tuple.hpp" 31 32 // inject some of the tuple names into lambda 33 namespace boost { 34 namespace lambda { 35 36 using ::boost::tuples::tuple; 37 using ::boost::tuples::null_type; 38 39 } // lambda 40 } // boost 41 42 #include "boost/lambda/detail/lambda_config.hpp" 43 #include "boost/lambda/detail/lambda_fwd.hpp" 44 45 #include "boost/lambda/detail/arity_code.hpp" 46 #include "boost/lambda/detail/actions.hpp" 47 48 #include "boost/lambda/detail/lambda_traits.hpp" 49 50 #include "boost/lambda/detail/function_adaptors.hpp" 51 #include "boost/lambda/detail/return_type_traits.hpp" 52 53 #include "boost/lambda/detail/select_functions.hpp" 54 55 #include "boost/lambda/detail/lambda_functor_base.hpp" 56 57 #include "boost/lambda/detail/lambda_functors.hpp" 58 59 #include "boost/lambda/detail/ret.hpp" 60 61 namespace boost { 62 namespace lambda { 63 64 namespace { 65 66 // These are constants types and need to be initialised 67 boost::lambda::placeholder1_type free1 = boost::lambda::placeholder1_type(); 68 boost::lambda::placeholder2_type free2 = boost::lambda::placeholder2_type(); 69 boost::lambda::placeholder3_type free3 = boost::lambda::placeholder3_type(); 70 71 boost::lambda::placeholder1_type& BOOST_ATTRIBUTE_UNUSED _1 = free1; 72 boost::lambda::placeholder2_type& BOOST_ATTRIBUTE_UNUSED _2 = free2; 73 boost::lambda::placeholder3_type& BOOST_ATTRIBUTE_UNUSED _3 = free3; 74 // _1, _2, ... naming scheme by Peter Dimov 75 } // unnamed 76 77 } // lambda 78 } // boost 79 80 81 #endif //BOOST_LAMBDA_CORE_HPP 82