Author: marshall
Date: Mon Nov 16 09:54:13 2015
New Revision: 253215
URL: http://llvm.org/viewvc/llvm-project?rev=253215&view=rev
Log:
Implement P0013R1: Logical Operator Type Traits. Make a hidden implementation
(__and_, __or_, and __not_) so that we can use them elsewhere in non-C++17 code
- for example, in the LFTS
Added:
libcxx/trunk/test/std/utilities/meta/meta.logical/
libcxx/trunk/test/std/utilities/meta/meta.logical/conjunction.pass.cpp
libcxx/trunk/test/std/utilities/meta/meta.logical/disjunction.pass.cpp
libcxx/trunk/test/std/utilities/meta/meta.logical/negation.pass.cpp
Modified:
libcxx/trunk/include/type_traits
libcxx/trunk/www/cxx1z_status.html
Modified: libcxx/trunk/include/type_traits
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/type_traits?rev=253215&r1=253214&r2=253215&view=diff
==============================================================================
--- libcxx/trunk/include/type_traits (original)
+++ libcxx/trunk/include/type_traits Mon Nov 16 09:54:13 2015
@@ -205,145 +205,157 @@ namespace std
template <class...>
using void_t = void; // C++17
- // See C++14 20.10.4.1, primary type categories
- template <class T> constexpr bool is_void_v
- = is_void<T>::value;
// C++17
- template <class T> constexpr bool is_null_pointer_v
- = is_null_pointer<T>::value;
// C++17
- template <class T> constexpr bool is_integral_v
- = is_integral<T>::value;
// C++17
- template <class T> constexpr bool is_floating_point_v
- = is_floating_point<T>::value;
// C++17
- template <class T> constexpr bool is_array_v
- = is_array<T>::value;
// C++17
- template <class T> constexpr bool is_pointer_v
- = is_pointer<T>::value;
// C++17
- template <class T> constexpr bool is_lvalue_reference_v
- = is_lvalue_reference<T>::value;
// C++17
- template <class T> constexpr bool is_rvalue_reference_v
- = is_rvalue_reference<T>::value;
// C++17
- template <class T> constexpr bool is_member_object_pointer_v
- = is_member_object_pointer<T>::value;
// C++17
- template <class T> constexpr bool is_member_function_pointer_v
- = is_member_function_pointer<T>::value;
// C++17
- template <class T> constexpr bool is_enum_v
- = is_enum<T>::value;
// C++17
- template <class T> constexpr bool is_union_v
- = is_union<T>::value;
// C++17
- template <class T> constexpr bool is_class_v
- = is_class<T>::value;
// C++17
- template <class T> constexpr bool is_function_v
- = is_function<T>::value;
// C++17
-
- // See C++14 20.10.4.2, composite type categories
- template <class T> constexpr bool is_reference_v
- = is_reference<T>::value;
// C++17
- template <class T> constexpr bool is_arithmetic_v
- = is_arithmetic<T>::value;
// C++17
- template <class T> constexpr bool is_fundamental_v
- = is_fundamental<T>::value;
// C++17
- template <class T> constexpr bool is_object_v
- = is_object<T>::value;
// C++17
- template <class T> constexpr bool is_scalar_v
- = is_scalar<T>::value;
// C++17
- template <class T> constexpr bool is_compound_v
- = is_compound<T>::value;
// C++17
- template <class T> constexpr bool is_member_pointer_v
- = is_member_pointer<T>::value;
// C++17
-
- // See C++14 20.10.4.3, type properties
- template <class T> constexpr bool is_const_v
- = is_const<T>::value;
// C++17
- template <class T> constexpr bool is_volatile_v
- = is_volatile<T>::value;
// C++17
- template <class T> constexpr bool is_trivial_v
- = is_trivial<T>::value;
// C++17
- template <class T> constexpr bool is_trivially_copyable_v
- = is_trivially_copyable<T>::value;
// C++17
- template <class T> constexpr bool is_standard_layout_v
- = is_standard_layout<T>::value;
// C++17
- template <class T> constexpr bool is_pod_v
- = is_pod<T>::value;
// C++17
- template <class T> constexpr bool is_literal_type_v
- = is_literal_type<T>::value;
// C++17
- template <class T> constexpr bool is_empty_v
- = is_empty<T>::value;
// C++17
- template <class T> constexpr bool is_polymorphic_v
- = is_polymorphic<T>::value;
// C++17
- template <class T> constexpr bool is_abstract_v
- = is_abstract<T>::value;
// C++17
- template <class T> constexpr bool is_final_v
- = is_final<T>::value;
// C++17
- template <class T> constexpr bool is_signed_v
- = is_signed<T>::value;
// C++17
- template <class T> constexpr bool is_unsigned_v
- = is_unsigned<T>::value;
// C++17
- template <class T, class... Args> constexpr bool is_constructible_v
- = is_constructible<T, Args...>::value;
// C++17
- template <class T> constexpr bool is_default_constructible_v
- = is_default_constructible<T>::value;
// C++17
- template <class T> constexpr bool is_copy_constructible_v
- = is_copy_constructible<T>::value;
// C++17
- template <class T> constexpr bool is_move_constructible_v
- = is_move_constructible<T>::value;
// C++17
- template <class T, class U> constexpr bool is_assignable_v
- = is_assignable<T, U>::value;
// C++17
- template <class T> constexpr bool is_copy_assignable_v
- = is_copy_assignable<T>::value;
// C++17
- template <class T> constexpr bool is_move_assignable_v
- = is_move_assignable<T>::value;
// C++17
- template <class T> constexpr bool is_destructible_v
- = is_destructible<T>::value;
// C++17
- template <class T, class... Args> constexpr bool
is_trivially_constructible_v
- = is_trivially_constructible<T, Args...>::value;
// C++17
- template <class T> constexpr bool is_trivially_default_constructible_v
- = is_trivially_default_constructible<T>::value;
// C++17
- template <class T> constexpr bool is_trivially_copy_constructible_v
- = is_trivially_copy_constructible<T>::value;
// C++17
- template <class T> constexpr bool is_trivially_move_constructible_v
- = is_trivially_move_constructible<T>::value;
// C++17
- template <class T, class U> constexpr bool is_trivially_assignable_v
- = is_trivially_assignable<T, U>::value;
// C++17
- template <class T> constexpr bool is_trivially_copy_assignable_v
- = is_trivially_copy_assignable<T>::value;
// C++17
- template <class T> constexpr bool is_trivially_move_assignable_v
- = is_trivially_move_assignable<T>::value;
// C++17
- template <class T> constexpr bool is_trivially_destructible_v
- = is_trivially_destructible<T>::value;
// C++17
- template <class T, class... Args> constexpr bool
is_nothrow_constructible_v
- = is_nothrow_constructible<T, Args...>::value;
// C++17
- template <class T> constexpr bool is_nothrow_default_constructible_v
- = is_nothrow_default_constructible<T>::value;
// C++17
- template <class T> constexpr bool is_nothrow_copy_constructible_v
- = is_nothrow_copy_constructible<T>::value;
// C++17
- template <class T> constexpr bool is_nothrow_move_constructible_v
- = is_nothrow_move_constructible<T>::value;
// C++17
- template <class T, class U> constexpr bool is_nothrow_assignable_v
- = is_nothrow_assignable<T, U>::value;
// C++17
- template <class T> constexpr bool is_nothrow_copy_assignable_v
- = is_nothrow_copy_assignable<T>::value;
// C++17
- template <class T> constexpr bool is_nothrow_move_assignable_v
- = is_nothrow_move_assignable<T>::value;
// C++17
- template <class T> constexpr bool is_nothrow_destructible_v
- = is_nothrow_destructible<T>::value;
// C++17
- template <class T> constexpr bool has_virtual_destructor_v
- = has_virtual_destructor<T>::value;
// C++17
-
- // See C++14 20.10.5, type property queries
- template <class T> constexpr size_t alignment_of_v
- = alignment_of<T>::value;
// C++17
- template <class T> constexpr size_t rank_v
- = rank<T>::value;
// C++17
- template <class T, unsigned I = 0> constexpr size_t extent_v
- = extent<T, I>::value;
// C++17
-
- // See C++14 20.10.6, type relations
- template <class T, class U> constexpr bool is_same_v
- = is_same<T, U>::value;
// C++17
- template <class Base, class Derived> constexpr bool is_base_of_v
- = is_base_of<Base, Derived>::value;
// C++17
- template <class From, class To> constexpr bool is_convertible_v
- = is_convertible<From, To>::value;
// C++17
+ // See C++14 20.10.4.1, primary type categories
+ template <class T> constexpr bool is_void_v
+ = is_void<T>::value; //
C++17
+ template <class T> constexpr bool is_null_pointer_v
+ = is_null_pointer<T>::value; //
C++17
+ template <class T> constexpr bool is_integral_v
+ = is_integral<T>::value; //
C++17
+ template <class T> constexpr bool is_floating_point_v
+ = is_floating_point<T>::value; //
C++17
+ template <class T> constexpr bool is_array_v
+ = is_array<T>::value; //
C++17
+ template <class T> constexpr bool is_pointer_v
+ = is_pointer<T>::value; //
C++17
+ template <class T> constexpr bool is_lvalue_reference_v
+ = is_lvalue_reference<T>::value; //
C++17
+ template <class T> constexpr bool is_rvalue_reference_v
+ = is_rvalue_reference<T>::value; //
C++17
+ template <class T> constexpr bool is_member_object_pointer_v
+ = is_member_object_pointer<T>::value; //
C++17
+ template <class T> constexpr bool is_member_function_pointer_v
+ = is_member_function_pointer<T>::value; //
C++17
+ template <class T> constexpr bool is_enum_v
+ = is_enum<T>::value; //
C++17
+ template <class T> constexpr bool is_union_v
+ = is_union<T>::value; //
C++17
+ template <class T> constexpr bool is_class_v
+ = is_class<T>::value; //
C++17
+ template <class T> constexpr bool is_function_v
+ = is_function<T>::value; //
C++17
+
+ // See C++14 20.10.4.2, composite type categories
+ template <class T> constexpr bool is_reference_v
+ = is_reference<T>::value; //
C++17
+ template <class T> constexpr bool is_arithmetic_v
+ = is_arithmetic<T>::value; //
C++17
+ template <class T> constexpr bool is_fundamental_v
+ = is_fundamental<T>::value; //
C++17
+ template <class T> constexpr bool is_object_v
+ = is_object<T>::value; //
C++17
+ template <class T> constexpr bool is_scalar_v
+ = is_scalar<T>::value; //
C++17
+ template <class T> constexpr bool is_compound_v
+ = is_compound<T>::value; //
C++17
+ template <class T> constexpr bool is_member_pointer_v
+ = is_member_pointer<T>::value; //
C++17
+
+ // See C++14 20.10.4.3, type properties
+ template <class T> constexpr bool is_const_v
+ = is_const<T>::value; //
C++17
+ template <class T> constexpr bool is_volatile_v
+ = is_volatile<T>::value; //
C++17
+ template <class T> constexpr bool is_trivial_v
+ = is_trivial<T>::value; //
C++17
+ template <class T> constexpr bool is_trivially_copyable_v
+ = is_trivially_copyable<T>::value; //
C++17
+ template <class T> constexpr bool is_standard_layout_v
+ = is_standard_layout<T>::value; //
C++17
+ template <class T> constexpr bool is_pod_v
+ = is_pod<T>::value; //
C++17
+ template <class T> constexpr bool is_literal_type_v
+ = is_literal_type<T>::value; //
C++17
+ template <class T> constexpr bool is_empty_v
+ = is_empty<T>::value; //
C++17
+ template <class T> constexpr bool is_polymorphic_v
+ = is_polymorphic<T>::value; //
C++17
+ template <class T> constexpr bool is_abstract_v
+ = is_abstract<T>::value; //
C++17
+ template <class T> constexpr bool is_final_v
+ = is_final<T>::value; //
C++17
+ template <class T> constexpr bool is_signed_v
+ = is_signed<T>::value; //
C++17
+ template <class T> constexpr bool is_unsigned_v
+ = is_unsigned<T>::value; //
C++17
+ template <class T, class... Args> constexpr bool is_constructible_v
+ = is_constructible<T, Args...>::value; //
C++17
+ template <class T> constexpr bool is_default_constructible_v
+ = is_default_constructible<T>::value; //
C++17
+ template <class T> constexpr bool is_copy_constructible_v
+ = is_copy_constructible<T>::value; //
C++17
+ template <class T> constexpr bool is_move_constructible_v
+ = is_move_constructible<T>::value; //
C++17
+ template <class T, class U> constexpr bool is_assignable_v
+ = is_assignable<T, U>::value; //
C++17
+ template <class T> constexpr bool is_copy_assignable_v
+ = is_copy_assignable<T>::value; //
C++17
+ template <class T> constexpr bool is_move_assignable_v
+ = is_move_assignable<T>::value; //
C++17
+ template <class T> constexpr bool is_destructible_v
+ = is_destructible<T>::value; //
C++17
+ template <class T, class... Args> constexpr bool
is_trivially_constructible_v
+ = is_trivially_constructible<T, Args...>::value; //
C++17
+ template <class T> constexpr bool is_trivially_default_constructible_v
+ = is_trivially_default_constructible<T>::value; //
C++17
+ template <class T> constexpr bool is_trivially_copy_constructible_v
+ = is_trivially_copy_constructible<T>::value; //
C++17
+ template <class T> constexpr bool is_trivially_move_constructible_v
+ = is_trivially_move_constructible<T>::value; //
C++17
+ template <class T, class U> constexpr bool is_trivially_assignable_v
+ = is_trivially_assignable<T, U>::value; //
C++17
+ template <class T> constexpr bool is_trivially_copy_assignable_v
+ = is_trivially_copy_assignable<T>::value; //
C++17
+ template <class T> constexpr bool is_trivially_move_assignable_v
+ = is_trivially_move_assignable<T>::value; //
C++17
+ template <class T> constexpr bool is_trivially_destructible_v
+ = is_trivially_destructible<T>::value; //
C++17
+ template <class T, class... Args> constexpr bool
is_nothrow_constructible_v
+ = is_nothrow_constructible<T, Args...>::value; //
C++17
+ template <class T> constexpr bool is_nothrow_default_constructible_v
+ = is_nothrow_default_constructible<T>::value; //
C++17
+ template <class T> constexpr bool is_nothrow_copy_constructible_v
+ = is_nothrow_copy_constructible<T>::value; //
C++17
+ template <class T> constexpr bool is_nothrow_move_constructible_v
+ = is_nothrow_move_constructible<T>::value; //
C++17
+ template <class T, class U> constexpr bool is_nothrow_assignable_v
+ = is_nothrow_assignable<T, U>::value; //
C++17
+ template <class T> constexpr bool is_nothrow_copy_assignable_v
+ = is_nothrow_copy_assignable<T>::value; //
C++17
+ template <class T> constexpr bool is_nothrow_move_assignable_v
+ = is_nothrow_move_assignable<T>::value; //
C++17
+ template <class T> constexpr bool is_nothrow_destructible_v
+ = is_nothrow_destructible<T>::value; //
C++17
+ template <class T> constexpr bool has_virtual_destructor_v
+ = has_virtual_destructor<T>::value; //
C++17
+
+ // See C++14 20.10.5, type property queries
+ template <class T> constexpr size_t alignment_of_v
+ = alignment_of<T>::value; //
C++17
+ template <class T> constexpr size_t rank_v
+ = rank<T>::value; //
C++17
+ template <class T, unsigned I = 0> constexpr size_t extent_v
+ = extent<T, I>::value; //
C++17
+
+ // See C++14 20.10.6, type relations
+ template <class T, class U> constexpr bool is_same_v
+ = is_same<T, U>::value; //
C++17
+ template <class Base, class Derived> constexpr bool is_base_of_v
+ = is_base_of<Base, Derived>::value; //
C++17
+ template <class From, class To> constexpr bool is_convertible_v
+ = is_convertible<From, To>::value; //
C++17
+
+ // [meta.logical], logical operator traits:
+ template<class... B> struct conjunction; //
C++17
+ template<class... B>
+ constexpr bool conjunction_v = conjunction<B...>::value; //
C++17
+ template<class... B> struct disjunction; //
C++17
+ template<class... B>
+ constexpr bool disjunction_v = disjunction<B...>::value; //
C++17
+ template<class B> struct negation; //
C++17
+ template<class B>
+ constexpr bool negation_v = negation<B>::value; //
C++17
+
}
*/
@@ -409,9 +421,9 @@ _LIBCPP_CONSTEXPR const _Tp integral_con
#if _LIBCPP_STD_VER > 14
template <bool __b>
using bool_constant = integral_constant<bool, __b>;
-#define _LIBCPP_BOOL_CONSTANT(__b) bool_constant<(__b)>
+#define _LIBCPP_BOOL_CONSTANT(__b) bool_constant<(__b)>
#else
-#define _LIBCPP_BOOL_CONSTANT(__b) integral_constant<bool,(__b)>
+#define _LIBCPP_BOOL_CONSTANT(__b) integral_constant<bool,(__b)>
#endif
typedef _LIBCPP_BOOL_CONSTANT(true) true_type;
@@ -462,6 +474,36 @@ struct __lazy_or : __lazy_or_impl<_P1::t
template <class _Pred>
struct __lazy_not : integral_constant<bool, !_Pred::type::value> {};
+// __and_
+template<class...> struct __and_;
+template<> struct __and_<> : true_type {};
+
+template<class _B0> struct __and_<_B0> : _B0 {};
+
+template<class _B0, class _B1>
+struct __and_<_B0, _B1> : conditional<_B0::value, _B1, _B0>::type {};
+
+template<class _B0, class _B1, class _B2, class... _Bn>
+struct __and_<_B0, _B1, _B2, _Bn...>
+ : conditional<_B0::value, __and_<_B1, _B2, _Bn...>, _B0>::type {};
+
+// __or_
+template<class...> struct __or_;
+template<> struct __or_<> : false_type {};
+
+template<class _B0> struct __or_<_B0> : _B0 {};
+
+template<class _B0, class _B1>
+struct __or_<_B0, _B1> : conditional<_B0::value, _B0, _B1>::type {};
+
+template<class _B0, class _B1, class _B2, class... _Bn>
+struct __or_<_B0, _B1, _B2, _Bn...>
+ : conditional<_B0::value, _B0, __or_<_B1, _B2, _Bn...> >::type {};
+
+// __not_
+template<class _Tp>
+struct __not_ : conditional<_Tp::value, false_type, true_type>::type {};
+
#endif // !defined(_LIBCPP_HAS_NO_VARIADICS)
// is_const
@@ -4257,7 +4299,21 @@ struct __has_operator_addressof
#if _LIBCPP_STD_VER > 14
template <class...> using void_t = void;
-#endif
+
+# ifndef _LIBCPP_HAS_NO_VARIADICS
+template <class... _Args>
+struct conjunction : __and_<_Args...> {};
+template<class... _Args> constexpr bool conjunction_v =
conjunction<_Args...>::value;
+
+template <class... _Args>
+struct disjunction : __or_<_Args...> {};
+template<class... _Args> constexpr bool disjunction_v =
disjunction<_Args...>::value;
+
+template <class _Tp>
+struct negation : __not_<_Tp> {};
+template<class _Tp> constexpr bool negation_v = negation<_Tp>::value;
+# endif // _LIBCPP_HAS_NO_VARIADICS
+#endif // _LIBCPP_STD_VER > 14
_LIBCPP_END_NAMESPACE_STD
Added: libcxx/trunk/test/std/utilities/meta/meta.logical/conjunction.pass.cpp
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/utilities/meta/meta.logical/conjunction.pass.cpp?rev=253215&view=auto
==============================================================================
--- libcxx/trunk/test/std/utilities/meta/meta.logical/conjunction.pass.cpp
(added)
+++ libcxx/trunk/test/std/utilities/meta/meta.logical/conjunction.pass.cpp Mon
Nov 16 09:54:13 2015
@@ -0,0 +1,66 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+// type_traits
+
+// template<class... B> struct conjunction; // C++17
+// template<class... B>
+// constexpr bool conjunction_v = conjunction<B...>::value; // C++17
+
+#include <type_traits>
+#include <cassert>
+
+struct True { static constexpr bool value = true; };
+struct False { static constexpr bool value = false; };
+
+int main()
+{
+ static_assert ( std::conjunction<>::value, "" );
+ static_assert ( std::conjunction<std::true_type >::value, "" );
+ static_assert (!std::conjunction<std::false_type>::value, "" );
+
+ static_assert ( std::conjunction_v<>, "" );
+ static_assert ( std::conjunction_v<std::true_type >, "" );
+ static_assert (!std::conjunction_v<std::false_type>, "" );
+
+ static_assert ( std::conjunction<std::true_type, std::true_type >::value,
"" );
+ static_assert (!std::conjunction<std::true_type, std::false_type>::value,
"" );
+ static_assert (!std::conjunction<std::false_type, std::true_type >::value,
"" );
+ static_assert (!std::conjunction<std::false_type, std::false_type>::value,
"" );
+
+ static_assert ( std::conjunction_v<std::true_type, std::true_type >, "" );
+ static_assert (!std::conjunction_v<std::true_type, std::false_type>, "" );
+ static_assert (!std::conjunction_v<std::false_type, std::true_type >, "" );
+ static_assert (!std::conjunction_v<std::false_type, std::false_type>, "" );
+
+ static_assert ( std::conjunction<std::true_type, std::true_type,
std::true_type >::value, "" );
+ static_assert (!std::conjunction<std::true_type, std::false_type,
std::true_type >::value, "" );
+ static_assert (!std::conjunction<std::false_type, std::true_type,
std::true_type >::value, "" );
+ static_assert (!std::conjunction<std::false_type, std::false_type,
std::true_type >::value, "" );
+ static_assert (!std::conjunction<std::true_type, std::true_type,
std::false_type>::value, "" );
+ static_assert (!std::conjunction<std::true_type, std::false_type,
std::false_type>::value, "" );
+ static_assert (!std::conjunction<std::false_type, std::true_type,
std::false_type>::value, "" );
+ static_assert (!std::conjunction<std::false_type, std::false_type,
std::false_type>::value, "" );
+
+ static_assert ( std::conjunction_v<std::true_type, std::true_type,
std::true_type >, "" );
+ static_assert (!std::conjunction_v<std::true_type, std::false_type,
std::true_type >, "" );
+ static_assert (!std::conjunction_v<std::false_type, std::true_type,
std::true_type >, "" );
+ static_assert (!std::conjunction_v<std::false_type, std::false_type,
std::true_type >, "" );
+ static_assert (!std::conjunction_v<std::true_type, std::true_type,
std::false_type>, "" );
+ static_assert (!std::conjunction_v<std::true_type, std::false_type,
std::false_type>, "" );
+ static_assert (!std::conjunction_v<std::false_type, std::true_type,
std::false_type>, "" );
+ static_assert (!std::conjunction_v<std::false_type, std::false_type,
std::false_type>, "" );
+
+ static_assert ( std::conjunction<True >::value, "" );
+ static_assert (!std::conjunction<False>::value, "" );
+
+ static_assert ( std::conjunction_v<True >, "" );
+ static_assert (!std::conjunction_v<False>, "" );
+}
Added: libcxx/trunk/test/std/utilities/meta/meta.logical/disjunction.pass.cpp
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/utilities/meta/meta.logical/disjunction.pass.cpp?rev=253215&view=auto
==============================================================================
--- libcxx/trunk/test/std/utilities/meta/meta.logical/disjunction.pass.cpp
(added)
+++ libcxx/trunk/test/std/utilities/meta/meta.logical/disjunction.pass.cpp Mon
Nov 16 09:54:13 2015
@@ -0,0 +1,66 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+// type_traits
+
+// template<class... B> struct disjunction; // C++17
+// template<class... B>
+// constexpr bool disjunction_v = disjunction<B...>::value; // C++17
+
+#include <type_traits>
+#include <cassert>
+
+struct True { static constexpr bool value = true; };
+struct False { static constexpr bool value = false; };
+
+int main()
+{
+ static_assert (!std::disjunction<>::value, "" );
+ static_assert ( std::disjunction<std::true_type >::value, "" );
+ static_assert (!std::disjunction<std::false_type>::value, "" );
+
+ static_assert (!std::disjunction_v<>, "" );
+ static_assert ( std::disjunction_v<std::true_type >, "" );
+ static_assert (!std::disjunction_v<std::false_type>, "" );
+
+ static_assert ( std::disjunction<std::true_type, std::true_type >::value,
"" );
+ static_assert ( std::disjunction<std::true_type, std::false_type>::value,
"" );
+ static_assert ( std::disjunction<std::false_type, std::true_type >::value,
"" );
+ static_assert (!std::disjunction<std::false_type, std::false_type>::value,
"" );
+
+ static_assert ( std::disjunction_v<std::true_type, std::true_type >, "" );
+ static_assert ( std::disjunction_v<std::true_type, std::false_type>, "" );
+ static_assert ( std::disjunction_v<std::false_type, std::true_type >, "" );
+ static_assert (!std::disjunction_v<std::false_type, std::false_type>, "" );
+
+ static_assert ( std::disjunction<std::true_type, std::true_type,
std::true_type >::value, "" );
+ static_assert ( std::disjunction<std::true_type, std::false_type,
std::true_type >::value, "" );
+ static_assert ( std::disjunction<std::false_type, std::true_type,
std::true_type >::value, "" );
+ static_assert ( std::disjunction<std::false_type, std::false_type,
std::true_type >::value, "" );
+ static_assert ( std::disjunction<std::true_type, std::true_type,
std::false_type>::value, "" );
+ static_assert ( std::disjunction<std::true_type, std::false_type,
std::false_type>::value, "" );
+ static_assert ( std::disjunction<std::false_type, std::true_type,
std::false_type>::value, "" );
+ static_assert (!std::disjunction<std::false_type, std::false_type,
std::false_type>::value, "" );
+
+ static_assert ( std::disjunction_v<std::true_type, std::true_type,
std::true_type >, "" );
+ static_assert ( std::disjunction_v<std::true_type, std::false_type,
std::true_type >, "" );
+ static_assert ( std::disjunction_v<std::false_type, std::true_type,
std::true_type >, "" );
+ static_assert ( std::disjunction_v<std::false_type, std::false_type,
std::true_type >, "" );
+ static_assert ( std::disjunction_v<std::true_type, std::true_type,
std::false_type>, "" );
+ static_assert ( std::disjunction_v<std::true_type, std::false_type,
std::false_type>, "" );
+ static_assert ( std::disjunction_v<std::false_type, std::true_type,
std::false_type>, "" );
+ static_assert (!std::disjunction_v<std::false_type, std::false_type,
std::false_type>, "" );
+
+ static_assert ( std::disjunction<True >::value, "" );
+ static_assert (!std::disjunction<False>::value, "" );
+
+ static_assert ( std::disjunction_v<True >, "" );
+ static_assert (!std::disjunction_v<False>, "" );
+}
Added: libcxx/trunk/test/std/utilities/meta/meta.logical/negation.pass.cpp
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/utilities/meta/meta.logical/negation.pass.cpp?rev=253215&view=auto
==============================================================================
--- libcxx/trunk/test/std/utilities/meta/meta.logical/negation.pass.cpp (added)
+++ libcxx/trunk/test/std/utilities/meta/meta.logical/negation.pass.cpp Mon Nov
16 09:54:13 2015
@@ -0,0 +1,39 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: c++98, c++03, c++11, c++14
+// type_traits
+
+// template<class B> struct negation; // C++17
+// template<class B>
+// constexpr bool negation_v = negation<B>::value; // C++17
+
+#include <type_traits>
+#include <cassert>
+
+struct True { static constexpr bool value = true; };
+struct False { static constexpr bool value = false; };
+
+int main()
+{
+ static_assert (!std::negation<std::true_type >::value, "" );
+ static_assert ( std::negation<std::false_type>::value, "" );
+
+ static_assert (!std::negation_v<std::true_type >, "" );
+ static_assert ( std::negation_v<std::false_type>, "" );
+
+ static_assert (!std::negation<True >::value, "" );
+ static_assert ( std::negation<False>::value, "" );
+
+ static_assert (!std::negation_v<True >, "" );
+ static_assert ( std::negation_v<False>, "" );
+
+ static_assert ( std::negation<std::negation<std::true_type >>::value, "" );
+ static_assert (!std::negation<std::negation<std::false_type>>::value, "" );
+}
Modified: libcxx/trunk/www/cxx1z_status.html
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/www/cxx1z_status.html?rev=253215&r1=253214&r2=253215&view=diff
==============================================================================
--- libcxx/trunk/www/cxx1z_status.html (original)
+++ libcxx/trunk/www/cxx1z_status.html Mon Nov 16 09:54:13 2015
@@ -76,7 +76,7 @@
<tr><td><a
href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0007R1.html";>P0007R1</a></td><td>LWG</td><td>Constant
View: A proposal for a <tt>std::as_const</tt> helper function
template.</td><td>Kona</td><td>In progress</td><td></td></tr>
<tr><td><a
href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0156R0.htm";
>P0156R0</a></td><td>LWG</td><td>Variadic lock_guard(rev
3).</td><td>Kona</td><td></td><td></td></tr>
<tr><td><a
href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0074R0.html";>P0074R0</a></td><td>LWG</td><td>Making
<tt>std::owner_less</tt> more
flexible</td><td>Kona</td><td>Complete</td><td>3.8</td></tr>
- <tr><td><a
href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0013R1.html";>P0013R1</a></td><td>LWG</td><td>Logical
type traits rev 2</td><td>Kona</td><td>In progress</td><td></td></tr>
+ <tr><td><a
href="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/P0013R1.html";>P0013R1</a></td><td>LWG</td><td>Logical
type traits rev 2</td><td>Kona</td><td>Complete</td><td>3.8</td></tr>
<!-- <tr><td></td><td></td><td></td><td></td><td></td><td></td></tr> -->
</table>
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