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Diffstat (limited to 'src/third_party/boost-1.56.0/boost/tti/has_type.hpp')
| -rw-r--r-- | src/third_party/boost-1.56.0/boost/tti/has_type.hpp | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/src/third_party/boost-1.56.0/boost/tti/has_type.hpp b/src/third_party/boost-1.56.0/boost/tti/has_type.hpp deleted file mode 100644 index cf413e56911..00000000000 --- a/src/third_party/boost-1.56.0/boost/tti/has_type.hpp +++ /dev/null @@ -1,165 +0,0 @@ - -// (C) Copyright Edward Diener 2011,2012,2013 -// Use, modification and distribution are subject to the Boost Software License, -// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at -// http://www.boost.org/LICENSE_1_0.txt). - -#if !defined(BOOST_TTI_HAS_TYPE_HPP) -#define BOOST_TTI_HAS_TYPE_HPP - -#include <boost/config.hpp> -#include <boost/preprocessor/cat.hpp> -#include <boost/tti/gen/has_type_gen.hpp> -#include <boost/tti/gen/namespace_gen.hpp> -#include <boost/tti/detail/dtype.hpp> -#include <boost/tti/detail/ddeftype.hpp> - -/* - - The succeeding comments in this file are in doxygen format. - -*/ - -/** \file -*/ - -/** - - BOOST_TTI_TRAIT_HAS_TYPE is a macro which expands to a metafunction. - The metafunction tests whether an inner type with a particular name exists - and, optionally, whether a lambda expression invoked with the inner type - is true or not. - - trait = the name of the metafunction within the tti namespace. - - name = the name of the inner type. - - generates a metafunction called "trait" where 'trait' is the macro parameter. - - template<class BOOST_TTI_TP_T,class BOOST_TTI_TP_U> - struct trait - { - static const value = unspecified; - typedef mpl::bool_<true-or-false> type; - }; - - The metafunction types and return: - - BOOST_TTI_TP_T = the enclosing type in which to look for our 'name'. - - BOOST_TTI_TP_U = (optional) An optional template parameter, defaulting to a marker type. - If specified it is an MPL lambda expression which is invoked - with the inner type found and must return a constant boolean - value. - - returns = 'value' depends on whether or not the optional BOOST_TTI_TP_U is specified. - - If BOOST_TTI_TP_U is not specified, then 'value' is true if the 'name' type - exists within the enclosing type BOOST_TTI_TP_T; otherwise 'value' is false. - - If BOOST_TTI_TP_U is specified , then 'value' is true if the 'name' type exists - within the enclosing type BOOST_TTI_TP_T and the lambda expression as specified - by BOOST_TTI_TP_U, invoked by passing the actual inner type of 'name', returns - a 'value' of true; otherwise 'value' is false. - - The action taken with BOOST_TTI_TP_U occurs only when the 'name' type exists - within the enclosing type BOOST_TTI_TP_T. - - Example usage: - - BOOST_TTI_TRAIT_HAS_TYPE(LookFor,MyType) generates the metafunction LookFor in the current scope - to look for an inner type called MyType. - - LookFor<EnclosingType>::value is true if MyType is an inner type of EnclosingType, otherwise false. - - LookFor<EnclosingType,ALambdaExpression>::value is true if MyType is an inner type of EnclosingType - and invoking ALambdaExpression with the inner type returns a value of true, otherwise false. - - A popular use of the optional MPL lambda expression is to check whether the type found is the same - as another type, when the type found is a typedef. In that case our example would be: - - LookFor<EnclosingType,boost::is_same<_,SomeOtherType> >::value is true if MyType is an inner type - of EnclosingType and is the same type as SomeOtherType. - -*/ -#define BOOST_TTI_TRAIT_HAS_TYPE(trait,name) \ - BOOST_TTI_DETAIL_TRAIT_HAS_TYPE(trait,name) \ - template \ - < \ - class BOOST_TTI_TP_T, \ - class BOOST_TTI_TP_U = BOOST_TTI_NAMESPACE::detail::deftype \ - > \ - struct trait \ - { \ - typedef typename \ - BOOST_PP_CAT(trait,_detail_type)<BOOST_TTI_TP_T,BOOST_TTI_TP_U>::type type; \ - BOOST_STATIC_CONSTANT(bool,value=type::value); \ - }; \ -/**/ - -/** - - BOOST_TTI_HAS_TYPE is a macro which expands to a metafunction. - The metafunction tests whether an inner type with a particular name exists - and, optionally, whether a lambda expression invoked with the inner type - is true or not. - - name = the name of the inner type. - - generates a metafunction called "has_type_'name'" where 'name' is the macro parameter. - - template<class BOOST_TTI_TP_T,class BOOST_TTI_TP_U> - struct has_type_'name' - { - static const value = unspecified; - typedef mpl::bool_<true-or-false> type; - }; - - The metafunction types and return: - - BOOST_TTI_TP_T = the enclosing type in which to look for our 'name'. - - BOOST_TTI_TP_U = (optional) An optional template parameter, defaulting to a marker type. - If specified it is an MPL lambda expression which is invoked - with the inner type found and must return a constant boolean - value. - - returns = 'value' depends on whether or not the optional BOOST_TTI_TP_U is specified. - - If BOOST_TTI_TP_U is not specified, then 'value' is true if the 'name' type - exists within the enclosing type BOOST_TTI_TP_T; otherwise 'value' is false. - - If BOOST_TTI_TP_U is specified , then 'value' is true if the 'name' type exists - within the enclosing type BOOST_TTI_TP_T and the lambda expression as specified - by BOOST_TTI_TP_U, invoked by passing the actual inner type of 'name', returns - a 'value' of true; otherwise 'value' is false. - - The action taken with BOOST_TTI_TP_U occurs only when the 'name' type exists - within the enclosing type BOOST_TTI_TP_T. - - Example usage: - - BOOST_TTI_HAS_TYPE(MyType) generates the metafunction has_type_MyType in the current scope - to look for an inner type called MyType. - - has_type_MyType<EnclosingType>::value is true if MyType is an inner type of EnclosingType, otherwise false. - - has_type_MyType<EnclosingType,ALambdaExpression>::value is true if MyType is an inner type of EnclosingType - and invoking ALambdaExpression with the inner type returns a value of true, otherwise false. - - A popular use of the optional MPL lambda expression is to check whether the type found is the same - as another type, when the type found is a typedef. In that case our example would be: - - has_type_MyType<EnclosingType,boost::is_same<_,SomeOtherType> >::value is true if MyType is an inner type - of EnclosingType and is the same type as SomeOtherType. - -*/ -#define BOOST_TTI_HAS_TYPE(name) \ - BOOST_TTI_TRAIT_HAS_TYPE \ - ( \ - BOOST_TTI_HAS_TYPE_GEN(name), \ - name \ - ) \ -/**/ - -#endif // BOOST_TTI_HAS_TYPE_HPP |