diff options
| -rw-r--r-- | src/include/type_traits | 1 | ||||
| -rw-r--r-- | src/include/util/impl/type_add.H | 46 | ||||
| -rw-r--r-- | src/include/utility | 25 |
3 files changed, 71 insertions, 1 deletions
diff --git a/src/include/type_traits b/src/include/type_traits index 6449ec07d..bd5527197 100644 --- a/src/include/type_traits +++ b/src/include/type_traits @@ -24,6 +24,7 @@ /* IBM_PROLOG_END_TAG */ #include <util/impl/integral.H> #include <util/impl/type_remove.H> +#include <util/impl/type_add.H> #include <util/impl/is_same.H> #include <util/impl/is_integral.H> #include <util/impl/is_ptr.H> diff --git a/src/include/util/impl/type_add.H b/src/include/util/impl/type_add.H new file mode 100644 index 000000000..b0ef4b0fb --- /dev/null +++ b/src/include/util/impl/type_add.H @@ -0,0 +1,46 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/include/util/impl/type_add.H $ */ +/* */ +/* OpenPOWER HostBoot Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2015 */ +/* [+] International Business Machines Corp. */ +/* */ +/* */ +/* Licensed under the Apache License, Version 2.0 (the "License"); */ +/* you may not use this file except in compliance with the License. */ +/* You may obtain a copy of the License at */ +/* */ +/* http://www.apache.org/licenses/LICENSE-2.0 */ +/* */ +/* Unless required by applicable law or agreed to in writing, software */ +/* distributed under the License is distributed on an "AS IS" BASIS, */ +/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ +/* implied. See the License for the specific language governing */ +/* permissions and limitations under the License. */ +/* */ +/* IBM_PROLOG_END_TAG */ +#ifndef __UTIL_IMPL_TYPE_ADD_H +#define __UTIL_IMPL_TYPE_ADD_H + +#include <util/impl/type_remove.H> + +namespace std +{ + template <typename T> struct add_const { typedef const T type; }; + template <typename T> struct add_volatile { typedef volatile T type; }; + template <typename T> struct add_cv { typedef const volatile T type; }; + + template <typename T> struct add_pointer + { typedef typename std::remove_reference<T>::type* type; }; + + template <typename T> struct add_lvalue_reference + { typedef typename std::remove_reference<T>::type& type; }; + + template <typename T> struct add_rvalue_reference + { typedef typename std::remove_reference<T>::type&& type; }; +} + +#endif diff --git a/src/include/utility b/src/include/utility index 685a70885..e680f669e 100644 --- a/src/include/utility +++ b/src/include/utility @@ -5,7 +5,9 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* COPYRIGHT International Business Machines Corp. 2011,2014 */ +/* Contributors Listed Below - COPYRIGHT 2011,2015 */ +/* [+] International Business Machines Corp. */ +/* */ /* */ /* Licensed under the Apache License, Version 2.0 (the "License"); */ /* you may not use this file except in compliance with the License. */ @@ -23,6 +25,7 @@ #ifndef STL_UTILITY #define STL_UTILITY +#include <type_traits> namespace std { @@ -131,6 +134,26 @@ namespace std { return !(x < y); } + + template<typename T> + constexpr typename std::remove_reference<T>::type&& move(T&& t) + { + return static_cast<typename std::remove_reference<T>::type&&>(t); + } + + template<typename T> + constexpr T&& forward(typename std::remove_reference<T>::type& t) + { + return static_cast<T&&>(t); + } + + template<typename T> + constexpr T&& forward(typename std::remove_reference<T>::type&& t) + { + static_assert(!std::is_lvalue_reference<T>::value, + "Incorrect substitution of lvalue reference."); + return static_cast<T&&>(t); + } }; |
