concepts.hpp File Reference

#include <initializer_list>
#include <utility>
#include <type_traits>
#include <concepts/swap.hpp>
#include <concepts/type_traits.hpp>

Go to the source code of this file.

Classes
struct	concepts::return_t_< typename >

Macros
#define	CPP_PP_IGNORE_CXX2A_COMPAT_BEGIN
#define	CPP_PP_IGNORE_CXX2A_COMPAT_END
#define	CPP_CXX_CONCEPTS   0L
#define	CPP_PP_CAT_(X, ...)   X ## __VA_ARGS__
#define	CPP_PP_CAT(X, ...)   CPP_PP_CAT_(X, __VA_ARGS__)
#define	CPP_PP_EVAL_(X, ARGS)   X ARGS
#define	CPP_PP_EVAL(X, ...)   CPP_PP_EVAL_(X, (__VA_ARGS__))
#define	CPP_PP_EVAL2_(X, ARGS)   X ARGS
#define	CPP_PP_EVAL2(X, ...)   CPP_PP_EVAL2_(X, (__VA_ARGS__))
#define	CPP_PP_EXPAND(...)   __VA_ARGS__
#define	CPP_PP_EAT(...)
#define	CPP_PP_FIRST(LIST)   CPP_PP_FIRST_ LIST
#define	CPP_PP_FIRST_(...)   __VA_ARGS__ CPP_PP_EAT
#define	CPP_PP_SECOND(LIST)   CPP_PP_SECOND_ LIST
#define	CPP_PP_SECOND_(...)   CPP_PP_EXPAND
#define	CPP_PP_CHECK(...)   CPP_PP_EXPAND(CPP_PP_CHECK_N(__VA_ARGS__, 0,))
#define	CPP_PP_CHECK_N(x, n, ...)   n
#define	CPP_PP_PROBE(x)   x, 1,
#define	CPP_PP_PROBE_N(x, n)   x, n,
#define	CPP_PP_IS_PAREN(x)   CPP_PP_CHECK(CPP_PP_IS_PAREN_PROBE x)
#define	CPP_PP_IS_PAREN_PROBE(...)   CPP_PP_PROBE(~)
#define	CPP_CXX_VA_OPT   0
#define	CPP_PP_COUNT(...)
#define	CPP_PP_COUNT_( _01, _02, _03, _04, _05, _06, _07, _08, _09, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, N, ...)    N
#define	CPP_PP_IIF(BIT)   CPP_PP_CAT_(CPP_PP_IIF_, BIT)
#define	CPP_PP_IIF_0(TRUE, ...)   __VA_ARGS__
#define	CPP_PP_IIF_1(TRUE, ...)   TRUE
#define	CPP_PP_LPAREN   (
#define	CPP_PP_RPAREN   )
#define	CPP_PP_NOT(BIT)   CPP_PP_CAT_(CPP_PP_NOT_, BIT)
#define	CPP_PP_NOT_0   1
#define	CPP_PP_NOT_1   0
#define	CPP_PP_EMPTY()
#define	CPP_PP_COMMA()   ,
#define	CPP_PP_LBRACE()   {
#define	CPP_PP_RBRACE()   }
#define	CPP_PP_COMMA_IIF(X)    CPP_PP_IIF(X)(CPP_PP_EMPTY, CPP_PP_COMMA)()
#define	CPP_PP_FOR_EACH(M, ...)    CPP_PP_FOR_EACH_N(CPP_PP_COUNT(__VA_ARGS__), M, __VA_ARGS__)
#define	CPP_PP_FOR_EACH_N(N, M, ...)    CPP_PP_CAT(CPP_PP_FOR_EACH_, N)(M, __VA_ARGS__)
#define	CPP_PP_FOR_EACH_1(M, _1)    M(_1)
#define	CPP_PP_FOR_EACH_2(M, _1, _2)    M(_1), M(_2)
#define	CPP_PP_FOR_EACH_3(M, _1, _2, _3)    M(_1), M(_2), M(_3)
#define	CPP_PP_FOR_EACH_4(M, _1, _2, _3, _4)    M(_1), M(_2), M(_3), M(_4)
#define	CPP_PP_FOR_EACH_5(M, _1, _2, _3, _4, _5)    M(_1), M(_2), M(_3), M(_4), M(_5)
#define	CPP_PP_FOR_EACH_6(M, _1, _2, _3, _4, _5, _6)    M(_1), M(_2), M(_3), M(_4), M(_5), M(_6)
#define	CPP_PP_FOR_EACH_7(M, _1, _2, _3, _4, _5, _6, _7)    M(_1), M(_2), M(_3), M(_4), M(_5), M(_6), M(_7)
#define	CPP_PP_FOR_EACH_8(M, _1, _2, _3, _4, _5, _6, _7, _8)    M(_1), M(_2), M(_3), M(_4), M(_5), M(_6), M(_7), M(_8)
#define	CPP_PP_PROBE_EMPTY_PROBE_CPP_PP_PROBE_EMPTY    CPP_PP_PROBE(~)
#define	CPP_PP_PROBE_EMPTY()
#define	CPP_PP_IS_NOT_EMPTY(...)
#define	CPP_BOOL(...)   __VA_ARGS__
#define	CPP_TRUE_FN   CPP_true_fn(::concepts::detail::xNil{})
#define	CPP_NOT(...)   (!(__VA_ARGS__))
#define	CPP_assert(...)
#define	CPP_assert_msg   static_assert
#define	CPP_concept   CPP_INLINE_VAR constexpr bool
#define	CPP_and   CPP_and_sfinae
#define	CPP_template   CPP_template_sfinae
#define	CPP_template_def   CPP_template_def_sfinae
#define	CPP_member   CPP_member_sfinae
#define	CPP_auto_member   CPP_member_sfinae
#define	CPP_ctor   CPP_ctor_sfinae
#define	CPP_concept_ref(NAME, ...)
#define	CPP_TEMPLATE_AUX_   CPP_TEMPLATE_SFINAE_AUX_
	INTERNAL ONLY.
#define	CPP_template_sfinae(...)
#define	CPP_TEMPLATE_SFINAE_PROBE_CONCEPT_concept    CPP_PP_PROBE(~)
	INTERNAL ONLY.
#define	CPP_TEMPLATE_SFINAE_AUX_WHICH_(FIRST, ...)
	INTERNAL ONLY. More...
#define	CPP_TEMPLATE_SFINAE_AUX_(...)
	INTERNAL ONLY. More...
#define	CPP_TEMPLATE_SFINAE_AUX_0(...)
	INTERNAL ONLY. More...
#define	CPP_TEMPLATE_SFINAE_AUX_1(DECL, ...)
	INTERNAL ONLY. More...
#define	CPP_CONCEPT_NAME_(DECL)
	INTERNAL ONLY. More...
#define	CPP_CONCEPT_PARAMS_(DECL)    CPP_PP_EVAL(CPP_PP_SECOND, CPP_EAT_CONCEPT_(DECL))
	INTERNAL ONLY.
#define	CPP_EAT_CONCEPT_(DECL)    CPP_PP_CAT(CPP_EAT_CONCEPT_, DECL)
	INTERNAL ONLY.
#define	CPP_EAT_CONCEPT_concept
	INTERNAL ONLY.
#define	CPP_and_sfinae    && CPP_BOOL(CPP_true), int> = 0, std::enable_if_t<
	INTERNAL ONLY.
#define	CPP_template_def_sfinae(...)    template<__VA_ARGS__ CPP_TEMPLATE_DEF_SFINAE_AUX_
	INTERNAL ONLY.
#define	CPP_TEMPLATE_DEF_SFINAE_AUX_(...)
	INTERNAL ONLY. More...
#define	CPP_and_sfinae_def    && CPP_BOOL(CPP_true), int>, std::enable_if_t<
	INTERNAL ONLY.
#define	CPP_TEMPLATE_SFINAE_AUX_3_requires
	INTERNAL ONLY.
#define	CPP_member_sfinae    CPP_broken_friend_member
	INTERNAL ONLY.
#define	CPP_ctor_sfinae(TYPE)
	INTERNAL ONLY. More...
#define	CPP_CTOR_SFINAE_IMPL_1_(...)
	INTERNAL ONLY. More...
#define	CPP_CTOR_SFINAE_PROBE_NOEXCEPT_noexcept    CPP_PP_PROBE(~)
	INTERNAL ONLY.
#define	CPP_CTOR_SFINAE_MAKE_PROBE(FIRST, ...)    CPP_PP_CAT(CPP_CTOR_SFINAE_PROBE_NOEXCEPT_, FIRST)
	INTERNAL ONLY.
#define	CPP_CTOR_SFINAE_REQUIRES(...)
	INTERNAL ONLY. More...
#define	CPP_CTOR_SFINAE_REQUIRES_0(...)
	INTERNAL ONLY. More...
#define	CPP_CTOR_SFINAE_REQUIRES_1(...)
	INTERNAL ONLY. More...
#define	CPP_CTOR_SFINAE_EAT_NOEXCEPT_noexcept(...)
	INTERNAL ONLY.
#define	CPP_CTOR_SFINAE_SHOW_NOEXCEPT_noexcept(...)
	INTERNAL ONLY. More...
#define	CPP_broken_friend_ret(...)
#define	CPP_BROKEN_FRIEND_RETURN_TYPE_AUX_(...)
	INTERNAL ONLY. More...
#define	CPP_TEMPLATE_AUX_2_requires
	INTERNAL ONLY.
#define	CPP_BROKEN_FRIEND_RETURN_TYPE_AUX_3_(...)    (__VA_ARGS__ && CPP_TRUE_FN)>>
	INTERNAL ONLY.
#define	CPP_broken_friend_member
	INTERNAL ONLY. More...
#define	CPP_requires(NAME, REQS)
#define	CPP_requires_ref(NAME, ...)
#define	CPP_REQUIRES_requires(...)    (__VA_ARGS__) -> decltype CPP_REQUIRES_RETURN_
	INTERNAL ONLY.
#define	CPP_REQUIRES_RETURN_(...)   (__VA_ARGS__, void()) {}
	INTERNAL ONLY.
#define	CPP_REQUIRES_AUX_(NAME, ...)
	INTERNAL ONLY. More...
#define	CPP_ret    CPP_broken_friend_ret
#define	CPP_FUN_IMPL_1_(...)
	INTERNAL ONLY. More...
#define	CPP_FUN_IMPL_REQUIRES(...)
	INTERNAL ONLY. More...
#define	CPP_FUN_IMPL_SELECT_CONST_(MAYBE_CONST, ...)
	INTERNAL ONLY. More...
#define	CPP_PP_PROBE_CONST_PROBE_const   CPP_PP_PROBE(~)
	INTERNAL ONLY.
#define	CPP_FUN_IMPL_SELECT_CONST_1(...)
	INTERNAL ONLY. More...
#define	CPP_FUN_IMPL_SELECT_CONST_NOEXCEPT_(MAYBE_NOEXCEPT, ...)
	INTERNAL ONLY. More...
#define	CPP_PP_PROBE_NOEXCEPT_PROBE_noexcept   CPP_PP_PROBE(~)
	INTERNAL ONLY.
#define	CPP_FUN_IMPL_SELECT_CONST_NOEXCEPT_0(...)
	INTERNAL ONLY. More...
#define	CPP_FUN_IMPL_SELECT_CONST_NOEXCEPT_1(...)
	INTERNAL ONLY. More...
#define	CPP_FUN_IMPL_EAT_NOEXCEPT_noexcept(...)
	INTERNAL ONLY.
#define	CPP_FUN_IMPL_SHOW_NOEXCEPT_noexcept(...)
	INTERNAL ONLY. More...
#define	CPP_FUN_IMPL_SELECT_CONST_0(...)
	INTERNAL ONLY. More...
#define	CPP_FUN_IMPL_SELECT_NONCONST_NOEXCEPT_(MAYBE_NOEXCEPT, ...)
	INTERNAL ONLY. More...
#define	CPP_FUN_IMPL_SELECT_NONCONST_NOEXCEPT_0(...)
	INTERNAL ONLY. More...
#define	CPP_FUN_IMPL_SELECT_NONCONST_NOEXCEPT_1(...)
	INTERNAL ONLY. More...
#define	CPP_FUN_IMPL_EAT_CONST_const
	INTERNAL ONLY.
#define	CPP_FUN_IMPL_EAT_REQUIRES_requires
	INTERNAL ONLY.
#define	CPP_fun(X)   CPP_PP_IGNORE_CXX2A_COMPAT_BEGIN X CPP_FUN_IMPL_1_
#define	CPP_auto_fun(X)   X CPP_AUTO_FUN_IMPL_
#define	CPP_AUTO_FUN_IMPL_(...)   (__VA_ARGS__) CPP_AUTO_FUN_RETURNS_
	INTERNAL ONLY.
#define	CPP_AUTO_FUN_RETURNS_(...)
	INTERNAL ONLY. More...
#define	CPP_AUTO_FUN_SELECT_RETURNS_(MAYBE_CONST, ...)
	INTERNAL ONLY. More...
#define	CPP_PP_PROBE_CONST_MUTABLE_PROBE_const   CPP_PP_PROBE_N(~, 1)
	INTERNAL ONLY.
#define	CPP_PP_PROBE_CONST_MUTABLE_PROBE_mutable   CPP_PP_PROBE_N(~, 2)
	INTERNAL ONLY.
#define	CPP_PP_EAT_MUTABLE_mutable
	INTERNAL ONLY.
#define	CPP_AUTO_FUN_RETURNS_CONST_2(...)    CPP_PP_CAT(CPP_PP_EAT_MUTABLE_, __VA_ARGS__) CPP_AUTO_FUN_RETURNS_CONST_0
	INTERNAL ONLY.
#define	CPP_AUTO_FUN_RETURNS_CONST_1(...)    __VA_ARGS__ CPP_AUTO_FUN_RETURNS_CONST_0
	INTERNAL ONLY.
#define	CPP_AUTO_FUN_RETURNS_CONST_0(...)
	INTERNAL ONLY. More...
#define	CPP_AUTO_FUN_RETURNS_return
	INTERNAL ONLY.
#define	CPP_AUTO_FUN_DECLTYPE_NOEXCEPT_(...)
	INTERNAL ONLY. More...

Typedefs
template<bool B>
using	concepts::bool_ = std::integral_constant< bool, B >
template<typename T , typename EnableIf >
using	concepts::return_t = meta::invoke< return_t_< EnableIf >, T >

Functions
template<typename From , typename To >
	concepts::CPP_requires (explicitly_convertible_to_, requires(From(*from)())(static_cast< To >(from())))
	\concept explicitly_convertible_to_ More...
	concepts::CPP_template (typename T, typename U)(concept(derived_from_)(T
	\concept derived_from_ More...
	concepts::CPP_template (typename T, typename U)(concept(common_reference_with_)(T
	\concept common_reference_with_ More...
	concepts::CPP_template (typename T, typename U)(concept(common_with_)(T
	\concept common_with_ More...
template<typename T , typename U >
	concepts::CPP_requires (assignable_from_, requires(T t, U &&u)(t=(U &&) u, requires_< same_as< T, decltype(t=(U &&) u)>>))
	\concept assignable_from_ More...
template<typename T >
	concepts::CPP_requires (swappable_, requires(T &t, T &u)(concepts::swap(t, u)))
	\concept swappable_ More...
template<typename T , typename U >
	concepts::CPP_requires (swappable_with_, requires(T &&t, U &&u)(concepts::swap((T &&) t,(T &&) t), concepts::swap((U &&) u,(U &&) u), concepts::swap((U &&) u,(T &&) t), concepts::swap((T &&) t,(U &&) u)))
	\concept swappable_with_ More...
template<typename T >
	concepts::detail::CPP_requires (boolean_testable_frag_, requires(T &&t)(!(T &&) t, concepts::requires_< boolean_testable_impl_< decltype(!(T &&) t)>>))
	\concept boolean_testable_frag_ More...
template<typename T , typename U >
CPP_DIAGNOSTIC_PUSH CPP_DIAGNOSTIC_IGNORE_FLOAT_EQUAL	concepts::detail::CPP_requires (weakly_equality_comparable_with_frag_, requires(detail::as_cref_t< T > t, detail::as_cref_t< U > u)(concepts::requires_< boolean_testable_< decltype(t==u)>>, concepts::requires_< boolean_testable_< decltype(t !=u)>>, concepts::requires_< boolean_testable_< decltype(u==t)>>, concepts::requires_< boolean_testable_< decltype(u !=t)>>))
	\concept weakly_equality_comparable_with_frag_ More...
template<typename T , typename U >
	concepts::detail::CPP_requires (partially_ordered_with_frag_, requires(detail::as_cref_t< T > &t, detail::as_cref_t< U > &u)(concepts::requires_< boolean_testable_< decltype(t< u)>>, concepts::requires_< boolean_testable_< decltype(t > u)>>, concepts::requires_< boolean_testable_< decltype(t<=u)>>, concepts::requires_< boolean_testable_< decltype(t >=u)>>, concepts::requires_< boolean_testable_< decltype(u< t)>>, concepts::requires_< boolean_testable_< decltype(u > t)>>, concepts::requires_< boolean_testable_< decltype(u<=t)>>, concepts::requires_< boolean_testable_< decltype(u >=t)>>))
	\concept partially_ordered_with_frag_ More...
	concepts::CPP_template (typename T, typename U)(concept(equality_comparable_with_)(T
	\concept equality_comparable_with_ More...
	concepts::CPP_template (typename T, typename U)(concept(totally_ordered_with_)(T
	\concept totally_ordered_with_ More...
	concepts::CPP_template (typename T)(concept(copy_constructible_)(T)
	\concept copy_constructible_ More...
	concepts::CPP_template (typename T)(concept(move_assignable_)(T)
	\concept move_assignable_ More...
	concepts::CPP_template (typename T)(concept(copy_assignable_)(T)
	\concept copy_assignable_ More...

Variables
template<bool... Bs>
constexpr CPP_INLINE_VAR bool	concepts::and_v
template<bool... Bs>
constexpr CPP_INLINE_VAR bool	concepts::or_v
template<bool B>
constexpr CPP_INLINE_VAR std::enable_if_t< B, int >	concepts::requires_ = 0
template<bool B>
CPP_concept	concepts::is_true = B
	\concept is_true More...
template<typename... Args>
CPP_concept	concepts::type = true
	\concept type More...
template<class T , template< typename... > class Trait, typename... Args>
CPP_concept	concepts::satisfies
	\concept satisfies More...
template<typename A , typename B >
CPP_concept	concepts::same_as
	\concept same_as More...
template<typename From , typename To >
CPP_concept	concepts::implicitly_convertible_to
	\concept implicitly_convertible_to More...
template<typename From , typename To >
CPP_concept	concepts::explicitly_convertible_to
	\concept explicitly_convertible_to More...
template<typename From , typename To >
CPP_concept	concepts::convertible_to
	\concept convertible_to More...
	concepts::U
convertible_to< T const volatile *, U const volatile * >	concepts::convertible_to< T const volatile *, U const volatile * >
template<typename T , typename U >
CPP_concept	concepts::derived_from
	\concept derived_from More...
	concepts::U
same_as< common_reference_t< T, U >, common_reference_t< U, T > > CPP_and convertible_to< T, common_reference_t< T, U > > CPP_and	concepts::convertible_to< U, common_reference_t< T, U > >
template<typename T , typename U >
CPP_concept	concepts::common_reference_with
	\concept common_reference_with More...
	concepts::U
template<typename T , typename U >
CPP_concept	concepts::common_with
	\concept common_with More...
template<typename T >
CPP_concept	concepts::integral
	\concept integral More...
template<typename T >
CPP_concept	concepts::signed_integral
	\concept signed_integral More...
template<typename T >
CPP_concept	concepts::unsigned_integral
	\concept unsigned_integral More...
template<typename T , typename U >
CPP_concept	concepts::assignable_from
	\concept assignable_from More...
template<typename T >
CPP_concept	concepts::swappable
	\concept swappable More...
template<typename T , typename U >
CPP_concept	concepts::swappable_with
	\concept swappable_with More...
template<typename T >
CPP_concept	concepts::detail::boolean_testable_impl_ = convertible_to<T, bool>
	\concept boolean_testable_impl_ More...
template<typename T >
CPP_concept	concepts::detail::boolean_testable_
	\concept boolean_testable_ More...
template<typename T , typename U >
CPP_concept	concepts::detail::weakly_equality_comparable_with_
	\concept weakly_equality_comparable_with_ More...
template<typename T , typename U >
CPP_concept	concepts::detail::partially_ordered_with_
	\concept partially_ordered_with_ More...
template<typename T >
CPP_concept	concepts::equality_comparable
	\concept equality_comparable More...
	concepts::U
template<typename T , typename U >
CPP_concept	concepts::equality_comparable_with
	\concept equality_comparable_with More...
template<typename T >
CPP_concept	concepts::totally_ordered
	\concept totally_ordered More...
	concepts::U
template<typename T , typename U >
CPP_concept	concepts::totally_ordered_with
	\concept totally_ordered_with More...
template<typename T >
CPP_concept	concepts::destructible
	\concept destructible More...
template<typename T , typename... Args>
CPP_concept	concepts::constructible_from
	\concept constructible_from More...
template<typename T >
CPP_concept	concepts::default_constructible
	\concept default_constructible More...
template<typename T >
CPP_concept	concepts::move_constructible
	\concept move_constructible More...
constructible_from< T, T & > &&constructible_from< T, T const & > &&constructible_from< T, T const > &&convertible_to< T &, T > &&convertible_to< T const &, T > &&	concepts::convertible_to< T const, T >
template<typename T >
CPP_concept	concepts::copy_constructible
	\concept copy_constructible More...
assignable_from< T &, T >	concepts::assignable_from< T &, T >
template<typename T >
CPP_concept	concepts::movable
	\concept movable More...
assignable_from< T &, T const & >	concepts::assignable_from< T &, T const & >
template<typename T >
CPP_concept	concepts::copyable
	\concept copyable More...
template<typename T >
CPP_concept	concepts::semiregular
	\concept semiregular More...
template<typename T >
CPP_concept	concepts::regular
	\concept regular More...

Macro Definition Documentation

CPP_assert

#define CPP_assert

(

...

)

Value:

    static_assert(static_cast<bool>(__VA_ARGS__),                               \
        "Concept assertion failed : " #__VA_ARGS__)

CPP_AUTO_FUN_DECLTYPE_NOEXCEPT_

#define CPP_AUTO_FUN_DECLTYPE_NOEXCEPT_

(

...

)

Value:

    noexcept(noexcept(decltype(__VA_ARGS__)(__VA_ARGS__))) ->                   \
    decltype(__VA_ARGS__)                                                       \
    { return (__VA_ARGS__); }

INTERNAL ONLY.

CPP_AUTO_FUN_RETURNS_

#define CPP_AUTO_FUN_RETURNS_

(

...

)

Value:

    CPP_PP_EVAL2_(                                                              \
        CPP_AUTO_FUN_SELECT_RETURNS_,                                           \
        (__VA_ARGS__,)                                                          \
    )(__VA_ARGS__)

INTERNAL ONLY.

CPP_AUTO_FUN_RETURNS_CONST_0

#define CPP_AUTO_FUN_RETURNS_CONST_0

(

...

)

Value:

    CPP_PP_EVAL(CPP_AUTO_FUN_DECLTYPE_NOEXCEPT_,                                \
        CPP_PP_CAT(CPP_AUTO_FUN_RETURNS_, __VA_ARGS__))

INTERNAL ONLY.

CPP_AUTO_FUN_SELECT_RETURNS_

#define CPP_AUTO_FUN_SELECT_RETURNS_	(		MAYBE_CONST,
			...
	)

Value:

    CPP_PP_CAT(CPP_AUTO_FUN_RETURNS_CONST_,                                     \
        CPP_PP_EVAL(CPP_PP_CHECK, CPP_PP_CAT(                                   \
            CPP_PP_PROBE_CONST_MUTABLE_PROBE_, MAYBE_CONST)))

INTERNAL ONLY.

CPP_broken_friend_member

#define CPP_broken_friend_member

Value:

    template<bool (&CPP_true_fn)(::concepts::detail::xNil) =                    \
        ::concepts::detail::CPP_true_fn>

INTERNAL ONLY.

CPP_broken_friend_ret

#define CPP_broken_friend_ret

(

...

)

Value:

    ::concepts::return_t<                                                       \
        __VA_ARGS__,                                                            \
        std::enable_if_t<CPP_BROKEN_FRIEND_RETURN_TYPE_AUX_

CPP_BROKEN_FRIEND_RETURN_TYPE_AUX_

#define CPP_BROKEN_FRIEND_RETURN_TYPE_AUX_

(

...

)

Value:

    CPP_BROKEN_FRIEND_RETURN_TYPE_AUX_3_(CPP_PP_CAT(                            \
        CPP_TEMPLATE_AUX_2_, __VA_ARGS__))

INTERNAL ONLY.

CPP_CONCEPT_NAME_

#define CPP_CONCEPT_NAME_

(

DECL

)

Value:

    CPP_PP_EVAL(                                                                \
        CPP_PP_CAT,                                                             \
        CPP_PP_EVAL(CPP_PP_FIRST, CPP_EAT_CONCEPT_(DECL)), concept_)

INTERNAL ONLY.

CPP_concept_ref

#define CPP_concept_ref	(		NAME,
			...
	)

Value:

    (1u == sizeof(CPP_PP_CAT(NAME, concept_)(                                   \
        (::concepts::detail::tag<__VA_ARGS__>*)nullptr)))

CPP_ctor_sfinae

#define CPP_ctor_sfinae

(

TYPE

)

Value:

    CPP_PP_IGNORE_CXX2A_COMPAT_BEGIN                                            \
    TYPE CPP_CTOR_SFINAE_IMPL_1_

INTERNAL ONLY.

CPP_CTOR_SFINAE_IMPL_1_

#define CPP_CTOR_SFINAE_IMPL_1_

(

...

)

Value:

    (__VA_ARGS__                                                                \
        CPP_PP_COMMA_IIF(                                                       \
            CPP_PP_NOT(CPP_PP_IS_NOT_EMPTY(__VA_ARGS__)))                       \
    CPP_CTOR_SFINAE_REQUIRES

INTERNAL ONLY.

CPP_CTOR_SFINAE_REQUIRES

#define CPP_CTOR_SFINAE_REQUIRES

(

...

)

Value:

    CPP_PP_CAT(                                                                 \
        CPP_CTOR_SFINAE_REQUIRES_,                                              \
        CPP_PP_EVAL(                                                            \
            CPP_PP_CHECK,                                                       \
            CPP_CTOR_SFINAE_MAKE_PROBE(__VA_ARGS__,)))(__VA_ARGS__)

INTERNAL ONLY.

CPP_CTOR_SFINAE_REQUIRES_0

#define CPP_CTOR_SFINAE_REQUIRES_0

(

...

)

Value:

    std::enable_if_t<                                                           \
        CPP_PP_CAT(CPP_TEMPLATE_SFINAE_AUX_3_, __VA_ARGS__) && CPP_TRUE_FN,     \
        ::concepts::detail::Nil                                                 \
    > = {})                                                                     \
    CPP_PP_IGNORE_CXX2A_COMPAT_END

INTERNAL ONLY.

CPP_CTOR_SFINAE_REQUIRES_1

#define CPP_CTOR_SFINAE_REQUIRES_1

(

...

)

Value:

    std::enable_if_t<                                                           \
        CPP_PP_EVAL(CPP_PP_CAT,                                                 \
            CPP_TEMPLATE_SFINAE_AUX_3_,                                         \
            CPP_PP_CAT(CPP_CTOR_SFINAE_EAT_NOEXCEPT_, __VA_ARGS__)) && CPP_TRUE_FN,\
        ::concepts::detail::Nil                                                 \
    > = {})                                                                     \
    CPP_PP_EXPAND(CPP_PP_CAT(CPP_CTOR_SFINAE_SHOW_NOEXCEPT_, __VA_ARGS__)))

INTERNAL ONLY.

CPP_CTOR_SFINAE_SHOW_NOEXCEPT_noexcept

#define CPP_CTOR_SFINAE_SHOW_NOEXCEPT_noexcept

(

...

)

Value:

    noexcept(__VA_ARGS__)                                                       \
    CPP_PP_IGNORE_CXX2A_COMPAT_END                                              \
    CPP_PP_EAT CPP_PP_LPAREN

INTERNAL ONLY.

CPP_FUN_IMPL_1_

#define CPP_FUN_IMPL_1_

(

...

)

Value:

    (__VA_ARGS__                                                                \
        CPP_PP_COMMA_IIF(                                                       \
            CPP_PP_NOT(CPP_PP_IS_NOT_EMPTY(__VA_ARGS__)))                       \
    CPP_FUN_IMPL_REQUIRES

INTERNAL ONLY.

CPP_FUN_IMPL_REQUIRES

#define CPP_FUN_IMPL_REQUIRES

(

...

)

Value:

    CPP_PP_EVAL2_(                                                              \
        CPP_FUN_IMPL_SELECT_CONST_,                                             \
        (__VA_ARGS__,)                                                          \
    )(__VA_ARGS__)

INTERNAL ONLY.

CPP_FUN_IMPL_SELECT_CONST_

#define CPP_FUN_IMPL_SELECT_CONST_	(		MAYBE_CONST,
			...
	)

Value:

    CPP_PP_CAT(CPP_FUN_IMPL_SELECT_CONST_,                                      \
        CPP_PP_EVAL(CPP_PP_CHECK, CPP_PP_CAT(                                   \
            CPP_PP_PROBE_CONST_PROBE_, MAYBE_CONST)))

INTERNAL ONLY.

CPP_FUN_IMPL_SELECT_CONST_0

#define CPP_FUN_IMPL_SELECT_CONST_0

(

...

)

Value:

    CPP_PP_EVAL_(                                                               \
        CPP_FUN_IMPL_SELECT_NONCONST_NOEXCEPT_,                                 \
        (__VA_ARGS__,)                                                          \
    )(__VA_ARGS__)

INTERNAL ONLY.

CPP_FUN_IMPL_SELECT_CONST_1

#define CPP_FUN_IMPL_SELECT_CONST_1

(

...

)

Value:

    CPP_PP_EVAL(                                                                \
        CPP_FUN_IMPL_SELECT_CONST_NOEXCEPT_,                                    \
        CPP_PP_CAT(CPP_FUN_IMPL_EAT_CONST_, __VA_ARGS__),)(                     \
        CPP_PP_CAT(CPP_FUN_IMPL_EAT_CONST_, __VA_ARGS__))

INTERNAL ONLY.

CPP_FUN_IMPL_SELECT_CONST_NOEXCEPT_

#define CPP_FUN_IMPL_SELECT_CONST_NOEXCEPT_	(		MAYBE_NOEXCEPT,
			...
	)

Value:

    CPP_PP_CAT(CPP_FUN_IMPL_SELECT_CONST_NOEXCEPT_,                             \
        CPP_PP_EVAL2(CPP_PP_CHECK, CPP_PP_CAT(                                  \
            CPP_PP_PROBE_NOEXCEPT_PROBE_, MAYBE_NOEXCEPT)))

INTERNAL ONLY.

CPP_FUN_IMPL_SELECT_CONST_NOEXCEPT_0

#define CPP_FUN_IMPL_SELECT_CONST_NOEXCEPT_0

(

...

)

Value:

    std::enable_if_t<                                                           \
        CPP_PP_EVAL(                                                            \
            CPP_PP_CAT,                                                         \
            CPP_FUN_IMPL_EAT_REQUIRES_,                                         \
            __VA_ARGS__) && CPP_TRUE_FN,                                        \
        ::concepts::detail::Nil                                                 \
    > = {}) const                                                               \
    CPP_PP_IGNORE_CXX2A_COMPAT_END

INTERNAL ONLY.

CPP_FUN_IMPL_SELECT_CONST_NOEXCEPT_1

#define CPP_FUN_IMPL_SELECT_CONST_NOEXCEPT_1

(

...

)

Value:

    std::enable_if_t<                                                           \
        CPP_PP_EVAL(                                                            \
            CPP_PP_CAT,                                                         \
            CPP_FUN_IMPL_EAT_REQUIRES_,                                         \
            CPP_PP_CAT(CPP_FUN_IMPL_EAT_NOEXCEPT_, __VA_ARGS__)) && CPP_TRUE_FN,\
        ::concepts::detail::Nil                                                 \
    > = {}) const                                                               \
    CPP_PP_EXPAND(CPP_PP_CAT(CPP_FUN_IMPL_SHOW_NOEXCEPT_, __VA_ARGS__)))

INTERNAL ONLY.

CPP_FUN_IMPL_SELECT_NONCONST_NOEXCEPT_

#define CPP_FUN_IMPL_SELECT_NONCONST_NOEXCEPT_	(		MAYBE_NOEXCEPT,
			...
	)

Value:

    CPP_PP_CAT(CPP_FUN_IMPL_SELECT_NONCONST_NOEXCEPT_,                          \
          CPP_PP_EVAL2(CPP_PP_CHECK, CPP_PP_CAT(                                \
            CPP_PP_PROBE_NOEXCEPT_PROBE_, MAYBE_NOEXCEPT)))

INTERNAL ONLY.

CPP_FUN_IMPL_SELECT_NONCONST_NOEXCEPT_0

#define CPP_FUN_IMPL_SELECT_NONCONST_NOEXCEPT_0

(

...

)

Value:

    std::enable_if_t<                                                           \
        CPP_PP_CAT(CPP_FUN_IMPL_EAT_REQUIRES_, __VA_ARGS__) && CPP_TRUE_FN,     \
        ::concepts::detail::Nil                                                 \
    > = {})                                                                     \
    CPP_PP_IGNORE_CXX2A_COMPAT_END

INTERNAL ONLY.

CPP_FUN_IMPL_SELECT_NONCONST_NOEXCEPT_1

#define CPP_FUN_IMPL_SELECT_NONCONST_NOEXCEPT_1

(

...

)

Value:

    std::enable_if_t<                                                           \
        CPP_PP_EVAL(                                                            \
            CPP_PP_CAT,                                                         \
            CPP_FUN_IMPL_EAT_REQUIRES_,                                         \
            CPP_PP_CAT(CPP_FUN_IMPL_EAT_NOEXCEPT_, __VA_ARGS__)                 \
        ) && CPP_TRUE_FN,                                                       \
        ::concepts::detail::Nil                                                 \
    > = {})                                                                     \
    CPP_PP_EXPAND(CPP_PP_CAT(CPP_FUN_IMPL_SHOW_NOEXCEPT_, __VA_ARGS__)))

INTERNAL ONLY.

CPP_FUN_IMPL_SHOW_NOEXCEPT_noexcept

#define CPP_FUN_IMPL_SHOW_NOEXCEPT_noexcept

(

...

)

Value:

    noexcept(__VA_ARGS__) CPP_PP_IGNORE_CXX2A_COMPAT_END                        \
    CPP_PP_EAT CPP_PP_LPAREN

INTERNAL ONLY.

CPP_PP_COUNT

#define CPP_PP_COUNT

(

...

)

Value:

    CPP_PP_EXPAND(CPP_PP_COUNT_(__VA_ARGS__,                                    \
        50, 49, 48, 47, 46, 45, 44, 43, 42, 41,                                 \
        40, 39, 38, 37, 36, 35, 34, 33, 32, 31,                                 \
        30, 29, 28, 27, 26, 25, 24, 23, 22, 21,                                 \
        20, 19, 18, 17, 16, 15, 14, 13, 12, 11,                                 \
        10, 9, 8, 7, 6, 5, 4, 3, 2, 1,))

CPP_PP_IS_NOT_EMPTY

#define CPP_PP_IS_NOT_EMPTY

(

...

)

Value:

    CPP_PP_EVAL(                                                                \
        CPP_PP_CHECK,                                                           \
        CPP_PP_CAT(                                                             \
            CPP_PP_PROBE_EMPTY_PROBE_,                                          \
            CPP_PP_PROBE_EMPTY __VA_ARGS__ ()))

CPP_requires

#define CPP_requires	(		NAME,
			REQS
	)

Value:

    auto CPP_PP_CAT(NAME, requires_test_)                                       \
    CPP_REQUIRES_AUX_(NAME, CPP_REQUIRES_ ## REQS)

CPP_REQUIRES_AUX_

#define CPP_REQUIRES_AUX_	(		NAME,
			...
	)

Value:

    __VA_ARGS__                                                                 \
    template<typename... As>                                                    \
    auto CPP_PP_CAT(NAME, requires_)(                                           \
        ::concepts::detail::tag<As...> *,                                       \
        decltype(&CPP_PP_CAT(NAME, requires_test_)<As...>) = nullptr)           \
        -> char(&)[1];                                                          \
    auto CPP_PP_CAT(NAME, requires_)(...) -> char(&)[2]

INTERNAL ONLY.

CPP_requires_ref

#define CPP_requires_ref	(		NAME,
			...
	)

Value:

    (1u == sizeof(CPP_PP_CAT(NAME, requires_)(                                  \
        (::concepts::detail::tag<__VA_ARGS__>*)nullptr)))

CPP_TEMPLATE_DEF_SFINAE_AUX_

#define CPP_TEMPLATE_DEF_SFINAE_AUX_

(

...

)

Value:

    ,                                     \
    bool CPP_true,                                                              \
    std::enable_if_t<                                                           \
        CPP_PP_CAT(CPP_TEMPLATE_SFINAE_AUX_3_, __VA_ARGS__) &&                  \
        CPP_BOOL(CPP_true),                                                     \
        int>>

INTERNAL ONLY.

CPP_template_sfinae

#define CPP_template_sfinae

(

...

)

Value:

    CPP_PP_IGNORE_CXX2A_COMPAT_BEGIN                                            \
    template<__VA_ARGS__ CPP_TEMPLATE_SFINAE_AUX_

CPP_TEMPLATE_SFINAE_AUX_

#define CPP_TEMPLATE_SFINAE_AUX_

(

...

)

Value:

    CPP_PP_CAT(                                                                 \
        CPP_TEMPLATE_SFINAE_AUX_,                                               \
        CPP_TEMPLATE_SFINAE_AUX_WHICH_(__VA_ARGS__,))(__VA_ARGS__)

INTERNAL ONLY.

CPP_TEMPLATE_SFINAE_AUX_0

#define CPP_TEMPLATE_SFINAE_AUX_0

(

...

)

Value:

    ,                                        \
    bool CPP_true = true,                                                       \
    std::enable_if_t<                                                           \
        CPP_PP_CAT(CPP_TEMPLATE_SFINAE_AUX_3_, __VA_ARGS__) &&                  \
        CPP_BOOL(CPP_true),                                                     \
        int> = 0>                                                               \
    CPP_PP_IGNORE_CXX2A_COMPAT_END

INTERNAL ONLY.

CPP_TEMPLATE_SFINAE_AUX_1

#define CPP_TEMPLATE_SFINAE_AUX_1	(		DECL,
			...
	)

Value:

        ,                                  \
        bool CPP_true = true,                                                   \
        std::enable_if_t<__VA_ARGS__ && CPP_BOOL(CPP_true), int> = 0>           \
    auto CPP_CONCEPT_NAME_(DECL)(                                               \
        ::concepts::detail::tag<CPP_CONCEPT_PARAMS_(DECL)>*)                    \
        -> char(&)[1];                                                          \
    auto CPP_CONCEPT_NAME_(DECL)(...) -> char(&)[2]                             \
    CPP_PP_IGNORE_CXX2A_COMPAT_END

INTERNAL ONLY.

CPP_TEMPLATE_SFINAE_AUX_WHICH_

#define CPP_TEMPLATE_SFINAE_AUX_WHICH_	(		FIRST,
			...
	)

Value:

    CPP_PP_EVAL(                                                                \
        CPP_PP_CHECK,                                                           \
        CPP_PP_CAT(CPP_TEMPLATE_SFINAE_PROBE_CONCEPT_, FIRST))

INTERNAL ONLY.

Function Documentation

CPP_requires() [1/7]

template<typename T , typename U >

concepts::defs::CPP_requires	(	assignable_from_	,
		requires(T t, U &&u)(t=(U &&) u, requires_< same_as< T, decltype(t=(U &&) u)>>)
	)

\concept assignable_from_

The assignable_from_ concept

CPP_requires() [2/7]

template<typename T >

concepts::detail::CPP_requires	(	boolean_testable_frag_	,
		requires(T &&t)(!(T &&) t, concepts::requires_< boolean_testable_impl_< decltype(!(T &&) t)>>)
	)

\concept boolean_testable_frag_

The boolean_testable_frag_ concept

CPP_requires() [3/7]

template<typename From , typename To >

concepts::defs::CPP_requires	(	explicitly_convertible_to_	,
		requires(From(*from)())(static_cast< To >(from()))
	)

\concept explicitly_convertible_to_

The explicitly_convertible_to_ concept

CPP_requires() [4/7]

template<typename T , typename U >

concepts::detail::CPP_requires	(	partially_ordered_with_frag_	,
		requires(detail::as_cref_t< T > &t, detail::as_cref_t< U > &u)(concepts::requires_< boolean_testable_< decltype(t< u)>>, concepts::requires_< boolean_testable_< decltype(t > u)>>, concepts::requires_< boolean_testable_< decltype(t<=u)>>, concepts::requires_< boolean_testable_< decltype(t >=u)>>, concepts::requires_< boolean_testable_< decltype(u< t)>>, concepts::requires_< boolean_testable_< decltype(u > t)>>, concepts::requires_< boolean_testable_< decltype(u<=t)>>, concepts::requires_< boolean_testable_< decltype(u >=t)>>)
	)

\concept partially_ordered_with_frag_

The partially_ordered_with_frag_ concept

CPP_requires() [5/7]

template<typename T >

concepts::defs::CPP_requires	(	swappable_	,
		requires(T &t, T &u)(concepts::swap(t, u))
	)

\concept swappable_

The swappable_ concept

CPP_requires() [6/7]

template<typename T , typename U >

concepts::defs::CPP_requires	(	swappable_with_	,
		requires(T &&t, U &&u)(concepts::swap((T &&) t,(T &&) t), concepts::swap((U &&) u,(U &&) u), concepts::swap((U &&) u,(T &&) t), concepts::swap((T &&) t,(U &&) u))
	)

\concept swappable_with_

The swappable_with_ concept

CPP_requires() [7/7]

template<typename T , typename U >

CPP_DIAGNOSTIC_PUSH CPP_DIAGNOSTIC_IGNORE_FLOAT_EQUAL concepts::detail::CPP_requires	(	weakly_equality_comparable_with_frag_	,
		requires(detail::as_cref_t< T > t, detail::as_cref_t< U > u)(concepts::requires_< boolean_testable_< decltype(t==u)>>, concepts::requires_< boolean_testable_< decltype(t !=u)>>, concepts::requires_< boolean_testable_< decltype(u==t)>>, concepts::requires_< boolean_testable_< decltype(u !=t)>>)
	)

\concept weakly_equality_comparable_with_frag_

The weakly_equality_comparable_with_frag_ concept

CPP_template() [1/8]

concepts::defs::CPP_template

(

typename T

)

\concept copy_assignable_

The copy_assignable_ concept

CPP_template() [2/8]

concepts::defs::CPP_template

(

typename T

)

\concept copy_constructible_

The copy_constructible_ concept

CPP_template() [3/8]

concepts::defs::CPP_template

(

typename T

)

\concept move_assignable_

The move_assignable_ concept

CPP_template() [4/8]

concepts::defs::CPP_template	(	typename T	,
		typename U
	)

\concept common_reference_with_

The common_reference_with_ concept

CPP_template() [5/8]

concepts::defs::CPP_template	(	typename T	,
		typename U
	)

\concept common_with_

The common_with_ concept

CPP_template() [6/8]

concepts::defs::CPP_template	(	typename T	,
		typename U
	)

\concept derived_from_

The derived_from_ concept

CPP_template() [7/8]

concepts::defs::CPP_template	(	typename T	,
		typename U
	)

\concept equality_comparable_with_

The equality_comparable_with_ concept

CPP_template() [8/8]

concepts::defs::CPP_template	(	typename T	,
		typename U
	)

\concept totally_ordered_with_

The totally_ordered_with_ concept

Variable Documentation

and_v

template<bool... Bs>

constexpr CPP_INLINE_VAR bool concepts::and_v

constexpr

Initial value:

=
        META_IS_SAME(detail::bools<Bs..., true>, detail::bools<true, Bs...>)

assignable_from

template<typename T , typename U >

CPP_concept concepts::defs::assignable_from

Initial value:

=
            std::is_lvalue_reference<T>::value &&
            common_reference_with<detail::as_cref_t<T>, detail::as_cref_t<U>> &&
            CPP_requires_ref(defs::assignable_from_, T, U)

\concept assignable_from

The assignable_from concept

boolean_testable_

template<typename T >

CPP_concept concepts::detail::boolean_testable_

Initial value:

=
            CPP_requires_ref(boolean_testable_frag_, T) &&
            boolean_testable_impl_<T>

\concept boolean_testable_

The boolean_testable_ concept

boolean_testable_impl_

template<typename T >

CPP_concept concepts::detail::boolean_testable_impl_ = convertible_to<T, bool>

\concept boolean_testable_impl_

The boolean_testable_impl_ concept

common_reference_with

template<typename T , typename U >

CPP_concept concepts::defs::common_reference_with

Initial value:

=
            CPP_concept_ref(concepts::common_reference_with_, T, U)

\concept common_reference_with

The common_reference_with concept

common_with

template<typename T , typename U >

CPP_concept concepts::defs::common_with

Initial value:

=
            CPP_concept_ref(concepts::common_with_, T, U)

\concept common_with

The common_with concept

constructible_from

template<typename T , typename... Args>

CPP_concept concepts::defs::constructible_from

Initial value:

=
            destructible<T> &&
            META_IS_CONSTRUCTIBLE(T, Args...)

\concept constructible_from

The constructible_from concept

convertible_to

template<typename From , typename To >

CPP_concept concepts::defs::convertible_to

Initial value:

=
            implicitly_convertible_to<From, To> &&
            explicitly_convertible_to<From, To>

\concept convertible_to

The convertible_to concept

copy_constructible

template<typename T >

CPP_concept concepts::defs::copy_constructible

Initial value:

=
            move_constructible<T> &&
            CPP_concept_ref(concepts::copy_constructible_, T)

\concept copy_constructible

The copy_constructible concept

copyable

template<typename T >

CPP_concept concepts::defs::copyable

Initial value:

=
            copy_constructible<T> &&
            movable<T> &&
            CPP_concept_ref(concepts::copy_assignable_, T)

\concept copyable

The copyable concept

default_constructible

template<typename T >

CPP_concept concepts::defs::default_constructible

Initial value:

=
            constructible_from<T>

\concept default_constructible

The default_constructible concept

derived_from

template<typename T , typename U >

CPP_concept concepts::defs::derived_from

Initial value:

=
            META_IS_BASE_OF(U, T) &&
            CPP_concept_ref(concepts::derived_from_, T, U)

\concept derived_from

The derived_from concept

destructible

template<typename T >

CPP_concept concepts::defs::destructible

Initial value:

=
            std::is_nothrow_destructible<T>::value

\concept destructible

The destructible concept

equality_comparable

template<typename T >

CPP_concept concepts::defs::equality_comparable

Initial value:

=
            detail::weakly_equality_comparable_with_<T, T>

\concept equality_comparable

The equality_comparable concept

equality_comparable_with

template<typename T , typename U >

CPP_concept concepts::defs::equality_comparable_with

Initial value:

=
            equality_comparable<T> &&
            equality_comparable<U> &&
            detail::weakly_equality_comparable_with_<T, U> &&
            common_reference_with<detail::as_cref_t<T>, detail::as_cref_t<U>> &&
            CPP_concept_ref(concepts::equality_comparable_with_, T, U)

\concept equality_comparable_with

The equality_comparable_with concept

explicitly_convertible_to

template<typename From , typename To >

CPP_concept concepts::defs::explicitly_convertible_to

Initial value:

=
            CPP_requires_ref(concepts::explicitly_convertible_to_, From, To)

\concept explicitly_convertible_to

The explicitly_convertible_to concept

implicitly_convertible_to

template<typename From , typename To >

CPP_concept concepts::defs::implicitly_convertible_to

Initial value:

=
            std::is_convertible<std::add_rvalue_reference_t<From>, To>::value

\concept implicitly_convertible_to

The implicitly_convertible_to concept

integral

template<typename T >

CPP_concept concepts::defs::integral

Initial value:

=
            std::is_integral<T>::value

\concept integral

The integral concept

is_true

template<bool B>

CPP_concept concepts::defs::is_true = B

\concept is_true

The is_true concept

movable

template<typename T >

CPP_concept concepts::defs::movable

Initial value:

=
            std::is_object<T>::value &&
            move_constructible<T> &&
            CPP_concept_ref(concepts::move_assignable_, T) &&
            swappable<T>

\concept movable

The movable concept

move_constructible

template<typename T >

CPP_concept concepts::defs::move_constructible

Initial value:

=
            constructible_from<T, T> &&
            convertible_to<T, T>

\concept move_constructible

The move_constructible concept

or_v

template<bool... Bs>

constexpr CPP_INLINE_VAR bool concepts::or_v

constexpr

Initial value:

=
        !META_IS_SAME(detail::bools<Bs..., false>, detail::bools<false, Bs...>)

partially_ordered_with_

template<typename T , typename U >

CPP_concept concepts::detail::partially_ordered_with_

Initial value:

=
            CPP_requires_ref(partially_ordered_with_frag_, T, U)

\concept partially_ordered_with_

The partially_ordered_with_ concept

regular

template<typename T >

CPP_concept concepts::defs::regular

Initial value:

=
            semiregular<T> &&
            equality_comparable<T>

\concept regular

The regular concept

same_as

template<typename A , typename B >

CPP_concept concepts::defs::same_as

Initial value:

=
            META_IS_SAME(A, B) && META_IS_SAME(B, A)

\concept same_as

The same_as concept

satisfies

template<class T , template< typename... > class Trait, typename... Args>

CPP_concept concepts::defs::satisfies

Initial value:

=
            static_cast<bool>(Trait<T, Args...>::type::value)

\concept satisfies

The satisfies concept

semiregular

template<typename T >

CPP_concept concepts::defs::semiregular

Initial value:

=
            copyable<T> &&
            default_constructible<T>

\concept semiregular

The semiregular concept

signed_integral

template<typename T >

CPP_concept concepts::defs::signed_integral

Initial value:

=
            integral<T> &&
            std::is_signed<T>::value

\concept signed_integral

The signed_integral concept

swappable

template<typename T >

CPP_concept concepts::defs::swappable

Initial value:

=
            CPP_requires_ref(defs::swappable_, T)

\concept swappable

The swappable concept

swappable_with

template<typename T , typename U >

CPP_concept concepts::defs::swappable_with

Initial value:

=
            common_reference_with<detail::as_cref_t<T>, detail::as_cref_t<U>> &&
            CPP_requires_ref(defs::swappable_with_, T, U)

\concept swappable_with

The swappable_with concept

totally_ordered

template<typename T >

CPP_concept concepts::defs::totally_ordered

Initial value:

=
            equality_comparable<T> &&
            detail::partially_ordered_with_<T, T>

\concept totally_ordered

The totally_ordered concept

totally_ordered_with

template<typename T , typename U >

CPP_concept concepts::defs::totally_ordered_with

Initial value:

=
            totally_ordered<T> &&
            totally_ordered<U> &&
            equality_comparable_with<T, U> &&
            CPP_concept_ref(concepts::totally_ordered_with_, T, U)

\concept totally_ordered_with

The totally_ordered_with concept

type

template<typename... Args>

CPP_concept concepts::defs::type = true

\concept type

The type concept

unsigned_integral

template<typename T >

CPP_concept concepts::defs::unsigned_integral

Initial value:

=
            integral<T> &&
            !signed_integral<T>

\concept unsigned_integral

The unsigned_integral concept

weakly_equality_comparable_with_

template<typename T , typename U >

CPP_concept concepts::detail::weakly_equality_comparable_with_

Initial value:

=
            CPP_requires_ref(weakly_equality_comparable_with_frag_, T, U)

\concept weakly_equality_comparable_with_

The weakly_equality_comparable_with_ concept