forked from boostorg/type_traits
Merge pull request #34 from boostorg/feature/remove_cv_ref
Add remove_cv_ref
This commit is contained in:
jzmaddock
GitHub
44
doc/remove_cv_ref.qbk
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44
doc/remove_cv_ref.qbk
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[/
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Copyright 2007 John Maddock.
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Copyright 2017 Peter Dimov.
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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 copy at
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http://www.boost.org/LICENSE_1_0.txt).
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]
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[section:remove_cv_ref remove_cv_ref]
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template <class T>
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struct remove_cv_ref
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{
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typedef __below type;
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};
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template <class T> using remove_cv_ref_t = typename remove_cv_ref<T>::type; // C++11 and above
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__type The same type as `T`, but with any reference modifiers and /top level/ cv-qualifiers removed.
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__std_ref 3.9.3, 8.3.2.
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[all_compilers]
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__header ` #include <boost/type_traits/remove_cv_ref.hpp>` or ` #include <boost/type_traits.hpp>`
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[table Examples
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[ [Expression] [Result Type]]
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[[`remove_cv_ref<int>::type`][`int`]]
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[[`remove_cv_ref<int const>::type`] [`int`]]
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[[`remove_cv_ref<int const volatile>::type`] [`int`]]
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[[`remove_cv_ref<int const&>::type`] [`int`]]
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[[`remove_cv_ref<int const*>::type`] [`int const*`]]
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]
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[endsect]
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@ -109,6 +109,7 @@
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[def __remove_const [link boost_typetraits.reference.remove_const remove_const]]
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[def __remove_volatile [link boost_typetraits.reference.remove_volatile remove_volatile]]
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[def __remove_cv [link boost_typetraits.reference.remove_cv remove_cv]]
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[def __remove_cv_ref [link boost_typetraits.reference.remove_cv_ref remove_cv_ref]]
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[def __remove_reference [link boost_typetraits.reference.remove_reference remove_reference]]
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[def __remove_extent [link boost_typetraits.reference.remove_extent remove_extent]]
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[def __remove_all_extents [link boost_typetraits.reference.remove_all_extents remove_all_extents]]
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@ -325,6 +326,7 @@ See __has_trivial_constructor.
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[include remove_all_extents.qbk]
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[include remove_const.qbk]
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[include remove_cv.qbk]
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[include remove_cv_ref.qbk]
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[include remove_extent.qbk]
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[include remove_pointer.qbk]
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[include remove_reference.qbk]
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@ -136,6 +136,7 @@
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#include <boost/type_traits/remove_bounds.hpp>
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#include <boost/type_traits/remove_const.hpp>
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#include <boost/type_traits/remove_cv.hpp>
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#include <boost/type_traits/remove_cv_ref.hpp>
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#include <boost/type_traits/remove_extent.hpp>
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#include <boost/type_traits/remove_pointer.hpp>
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#include <boost/type_traits/remove_reference.hpp>
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30
include/boost/type_traits/remove_cv_ref.hpp
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30
include/boost/type_traits/remove_cv_ref.hpp
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// (C) Copyright Peter Dimov 2017.
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// Use, modification and distribution are subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt).
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//
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// See http://www.boost.org/libs/type_traits for most recent version including documentation.
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#ifndef BOOST_TT_REMOVE_CV_REF_HPP_INCLUDED
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#define BOOST_TT_REMOVE_CV_REF_HPP_INCLUDED
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#include <boost/config.hpp>
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#include <boost/type_traits/remove_cv.hpp>
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#include <boost/type_traits/remove_reference.hpp>
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namespace boost {
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template <class T> struct remove_cv_ref: remove_cv<typename remove_reference<T>::type> {};
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#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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template <class T> using remove_cv_ref_t = typename remove_cv_ref<T>::type;
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#endif
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} // namespace boost
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#endif // BOOST_TT_REMOVE_CV_REF_HPP_INCLUDED
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144
test/remove_cv_ref_test.cpp
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144
test/remove_cv_ref_test.cpp
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// (C) Copyright John Maddock 2000.
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// (C) Copyright Peter Dimov 2017.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.tt.org/LICENSE_1_0.txt)
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#include "test.hpp"
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#include "check_type.hpp"
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#ifdef TEST_STD
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# include <type_traits>
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#else
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# include <boost/type_traits/remove_cv_ref.hpp>
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#endif
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BOOST_DECL_TRANSFORM_TEST3(remove_cv_ref_test_1, ::tt::remove_cv_ref, const)
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BOOST_DECL_TRANSFORM_TEST3(remove_cv_ref_test_2, ::tt::remove_cv_ref, volatile)
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BOOST_DECL_TRANSFORM_TEST3(remove_cv_ref_test_3, ::tt::remove_cv_ref, const volatile)
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BOOST_DECL_TRANSFORM_TEST0(remove_cv_ref_test_4, ::tt::remove_cv_ref)
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BOOST_DECL_TRANSFORM_TEST3(remove_cv_ref_test_5, ::tt::remove_cv_ref, const &)
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BOOST_DECL_TRANSFORM_TEST3(remove_cv_ref_test_6, ::tt::remove_cv_ref, volatile &)
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BOOST_DECL_TRANSFORM_TEST3(remove_cv_ref_test_7, ::tt::remove_cv_ref, const volatile &)
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BOOST_DECL_TRANSFORM_TEST3(remove_cv_ref_test_8, ::tt::remove_cv_ref, &)
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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BOOST_DECL_TRANSFORM_TEST3(remove_cv_ref_test_9, ::tt::remove_cv_ref, const &&)
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BOOST_DECL_TRANSFORM_TEST3(remove_cv_ref_test_10, ::tt::remove_cv_ref, volatile &&)
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BOOST_DECL_TRANSFORM_TEST3(remove_cv_ref_test_11, ::tt::remove_cv_ref, const volatile &&)
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BOOST_DECL_TRANSFORM_TEST3(remove_cv_ref_test_12, ::tt::remove_cv_ref, &&)
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#endif
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_13, ::tt::remove_cv_ref, *const, *)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_14, ::tt::remove_cv_ref, *volatile, *)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_15, ::tt::remove_cv_ref, *const volatile, *)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_16, ::tt::remove_cv_ref, *, *)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_17, ::tt::remove_cv_ref, *const &, *)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_18, ::tt::remove_cv_ref, *volatile &, *)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_19, ::tt::remove_cv_ref, *const volatile &, *)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_20, ::tt::remove_cv_ref, * &, *)
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_21, ::tt::remove_cv_ref, *const &&, *)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_22, ::tt::remove_cv_ref, *volatile &&, *)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_23, ::tt::remove_cv_ref, *const volatile &&, *)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_24, ::tt::remove_cv_ref, * &&, *)
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#endif
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_25, ::tt::remove_cv_ref, const*, const*)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_26, ::tt::remove_cv_ref, volatile*, volatile*)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_27, ::tt::remove_cv_ref, const*const, const*)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_28, ::tt::remove_cv_ref, const*volatile, const*)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_29, ::tt::remove_cv_ref, const* &, const*)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_30, ::tt::remove_cv_ref, volatile* &, volatile*)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_31, ::tt::remove_cv_ref, const*const &, const*)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_32, ::tt::remove_cv_ref, const*volatile &, const*)
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_33, ::tt::remove_cv_ref, const* &&, const*)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_34, ::tt::remove_cv_ref, volatile* &&, volatile*)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_35, ::tt::remove_cv_ref, const*const &&, const*)
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_36, ::tt::remove_cv_ref, const*volatile &&, const*)
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#endif
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_37, ::tt::remove_cv_ref, const[2], [2])
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_38, ::tt::remove_cv_ref, volatile[2], [2])
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_39, ::tt::remove_cv_ref, const volatile[2], [2])
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_40, ::tt::remove_cv_ref, [2], [2])
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_41, ::tt::remove_cv_ref, const(&)[2], [2])
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_42, ::tt::remove_cv_ref, volatile(&)[2], [2])
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_43, ::tt::remove_cv_ref, const volatile(&)[2], [2])
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_44, ::tt::remove_cv_ref, (&)[2], [2])
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_45, ::tt::remove_cv_ref, const(&&)[2], [2])
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_46, ::tt::remove_cv_ref, volatile(&&)[2], [2])
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_47, ::tt::remove_cv_ref, const volatile(&&)[2], [2])
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BOOST_DECL_TRANSFORM_TEST(remove_cv_ref_test_48, ::tt::remove_cv_ref, (&&)[2], [2])
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#endif
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TT_TEST_BEGIN(remove_cv_ref)
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remove_cv_ref_test_1();
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remove_cv_ref_test_2();
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remove_cv_ref_test_3();
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remove_cv_ref_test_4();
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remove_cv_ref_test_5();
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remove_cv_ref_test_6();
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remove_cv_ref_test_7();
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remove_cv_ref_test_8();
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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remove_cv_ref_test_9();
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remove_cv_ref_test_10();
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remove_cv_ref_test_11();
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remove_cv_ref_test_12();
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#endif
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remove_cv_ref_test_13();
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remove_cv_ref_test_14();
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remove_cv_ref_test_15();
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remove_cv_ref_test_16();
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remove_cv_ref_test_17();
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remove_cv_ref_test_18();
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remove_cv_ref_test_19();
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remove_cv_ref_test_20();
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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remove_cv_ref_test_21();
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remove_cv_ref_test_22();
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remove_cv_ref_test_23();
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remove_cv_ref_test_24();
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#endif
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remove_cv_ref_test_25();
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remove_cv_ref_test_26();
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remove_cv_ref_test_27();
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remove_cv_ref_test_28();
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remove_cv_ref_test_29();
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remove_cv_ref_test_30();
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remove_cv_ref_test_31();
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remove_cv_ref_test_32();
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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remove_cv_ref_test_33();
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remove_cv_ref_test_34();
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remove_cv_ref_test_35();
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remove_cv_ref_test_36();
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#endif
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remove_cv_ref_test_37();
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remove_cv_ref_test_38();
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remove_cv_ref_test_39();
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remove_cv_ref_test_40();
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remove_cv_ref_test_41();
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remove_cv_ref_test_42();
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remove_cv_ref_test_43();
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remove_cv_ref_test_44();
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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remove_cv_ref_test_45();
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remove_cv_ref_test_46();
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remove_cv_ref_test_47();
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remove_cv_ref_test_48();
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#endif
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TT_TEST_END
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