Swiftdiff options
Diffstat (limited to '3rdParty/Boost/src/boost/unordered/detail/extract_key.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/unordered/detail/extract_key.hpp | 82 |
1 files changed, 70 insertions, 12 deletions
diff --git a/3rdParty/Boost/src/boost/unordered/detail/extract_key.hpp b/3rdParty/Boost/src/boost/unordered/detail/extract_key.hpp index bedb175..56a8532 100644 --- a/3rdParty/Boost/src/boost/unordered/detail/extract_key.hpp +++ b/3rdParty/Boost/src/boost/unordered/detail/extract_key.hpp @@ -1,17 +1,16 @@ -// Copyright (C) 2005-2009 Daniel James +// Copyright (C) 2005-2011 Daniel James // Distributed under 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) #ifndef BOOST_UNORDERED_DETAIL_EXTRACT_KEY_HPP_INCLUDED #define BOOST_UNORDERED_DETAIL_EXTRACT_KEY_HPP_INCLUDED -#include <boost/config.hpp> -#include <boost/type_traits/remove_const.hpp> -#include <boost/unordered/detail/fwd.hpp> +#include <boost/unordered/detail/table.hpp> namespace boost { -namespace unordered_detail { +namespace unordered { +namespace detail { // key extractors // @@ -28,6 +27,19 @@ namespace unordered_detail { template <class T> no_key(T const&) {} }; + template <typename Key, typename T> + struct is_key { + template <typename T2> + static choice1::type test(T2 const&); + static choice2::type test(Key const&); + + enum { value = sizeof(test(boost::unordered::detail::make<T>())) == + sizeof(choice2::type) }; + + typedef typename boost::detail::if_true<value>:: + BOOST_NESTED_TEMPLATE then<Key const&, no_key>::type type; + }; + template <class ValueType> struct set_extractor { @@ -44,13 +56,12 @@ namespace unordered_detail { return no_key(); } -#if defined(BOOST_UNORDERED_STD_FORWARD) +#if !defined(BOOST_NO_VARIADIC_TEMPLATES) template <class... Args> static no_key extract(Args const&...) { return no_key(); } - #else template <class Arg> static no_key extract(Arg const&) @@ -58,8 +69,8 @@ namespace unordered_detail { return no_key(); } - template <class Arg> - static no_key extract(Arg const&, Arg const&) + template <class Arg1, class Arg2> + static no_key extract(Arg1 const&, Arg2 const&) { return no_key(); } @@ -75,7 +86,7 @@ namespace unordered_detail { struct map_extractor { typedef ValueType value_type; - typedef BOOST_DEDUCED_TYPENAME boost::remove_const<Key>::type key_type; + typedef typename boost::remove_const<Key>::type key_type; static key_type const& extract(value_type const& v) { @@ -100,7 +111,7 @@ namespace unordered_detail { return v.first; } -#if defined(BOOST_UNORDERED_STD_FORWARD) +#if !defined(BOOST_NO_VARIADIC_TEMPLATES) template <class Arg1, class... Args> static key_type const& extract(key_type const& k, Arg1 const&, Args const&...) @@ -114,6 +125,7 @@ namespace unordered_detail { return no_key(); } #else + template <class Arg1> static key_type const& extract(key_type const& k, Arg1 const&) { @@ -138,11 +150,57 @@ namespace unordered_detail { } #endif +#if !defined(BOOST_NO_VARIADIC_TEMPLATES) + +#define BOOST_UNORDERED_KEY_FROM_TUPLE(namespace_) \ + template <typename T2> \ + static no_key extract(boost::unordered::piecewise_construct_t, \ + namespace_::tuple<> const&, BOOST_FWD_REF(T2)) \ + { \ + return no_key(); \ + } \ + \ + template <typename T, typename T2> \ + static typename is_key<key_type, T>::type \ + extract(boost::unordered::piecewise_construct_t, \ + namespace_::tuple<T> const& k, BOOST_FWD_REF(T2)) \ + { \ + return typename is_key<key_type, T>::type( \ + namespace_::get<0>(k)); \ + } + +#else + +#define BOOST_UNORDERED_KEY_FROM_TUPLE(namespace_) \ + static no_key extract(boost::unordered::piecewise_construct_t, \ + namespace_::tuple<> const&) \ + { \ + return no_key(); \ + } \ + \ + template <typename T> \ + static typename is_key<key_type, T>::type \ + extract(boost::unordered::piecewise_construct_t, \ + namespace_::tuple<T> const& k) \ + { \ + return typename is_key<key_type, T>::type( \ + namespace_::get<0>(k)); \ + } + +#endif + +BOOST_UNORDERED_KEY_FROM_TUPLE(boost) + +#if !defined(BOOST_NO_CXX11_HDR_TUPLE) +BOOST_UNORDERED_KEY_FROM_TUPLE(std) +#endif + + static bool compare_mapped(value_type const& x, value_type const& y) { return x.second == y.second; } }; -}} +}}} #endif |