Range-v3
Range algorithms, views, and actions for the Standard Library
concepts.hpp File Reference

Classes

struct  concepts::return_t_< typename >
 

Macros

#define concept(NAME)   concept NAME CPP_CONCEPT_EQUALS_
 
#define CPP_and   &&
 
#define CPP_and_sfinae    && CPP_BOOL(CPP_true), int> = 0, std::enable_if_t<
 INTERNAL ONLY.
 
#define CPP_and_sfinae_def    && CPP_BOOL(CPP_true), int>, std::enable_if_t<
 INTERNAL ONLY.
 
#define CPP_assert(...)
 
#define CPP_assert_msg   static_assert
 
#define CPP_auto_fun(X)   X CPP_AUTO_FUN_IMPL_
 
#define CPP_AUTO_FUN_DECLTYPE_NOEXCEPT_(...)
 INTERNAL ONLY. More...
 
#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_RETURNS_CONST_0(...)
 INTERNAL ONLY. More...
 
#define CPP_AUTO_FUN_RETURNS_CONST_1(...)    __VA_ARGS__ CPP_AUTO_FUN_RETURNS_CONST_0
 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_return
 INTERNAL ONLY.
 
#define CPP_AUTO_FUN_SELECT_RETURNS_(MAYBE_CONST, ...)
 INTERNAL ONLY. More...
 
#define CPP_auto_member
 
#define CPP_BOOL(...)   __VA_ARGS__
 
#define CPP_broken_friend_ret(...)    __VA_ARGS__ CPP_PP_EXPAND
 INTERNAL ONLY.
 
#define CPP_concept   META_CONCEPT
 
#define CPP_CONCEPT_EQUALS_(...)   =
 
#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_concept_ref(NAME, ...)    NAME<__VA_ARGS__>
 
#define CPP_ctor(TYPE)   TYPE CPP_CTOR_IMPL_1_
 
#define CPP_CTOR_IMPL_1_(...)   (__VA_ARGS__) CPP_PP_EXPAND
 INTERNAL ONLY.
 
#define CPP_ctor_sfinae(TYPE)
 INTERNAL ONLY. More...
 
#define CPP_CTOR_SFINAE_EAT_NOEXCEPT_noexcept(...)
 INTERNAL ONLY.
 
#define CPP_CTOR_SFINAE_IMPL_1_(...)
 INTERNAL ONLY. More...
 
#define CPP_CTOR_SFINAE_MAKE_PROBE(FIRST, ...)    CPP_PP_CAT(CPP_CTOR_SFINAE_PROBE_NOEXCEPT_, FIRST)
 INTERNAL ONLY.
 
#define CPP_CTOR_SFINAE_PROBE_NOEXCEPT_noexcept    CPP_PP_PROBE(~)
 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_SHOW_NOEXCEPT_noexcept(...)
 INTERNAL ONLY. More...
 
#define CPP_CXX_CONCEPTS   201800L
 
#define CPP_CXX_VA_OPT   0
 
#define CPP_EAT_CONCEPT_(DECL)    CPP_PP_CAT(CPP_EAT_CONCEPT_, DECL)
 INTERNAL ONLY.
 
#define CPP_EAT_CONCEPT_concept
 INTERNAL ONLY.
 
#define CPP_fun(X)   X CPP_FUN_IMPL_1_
 
#define CPP_FUN_IMPL_1_(...)
 INTERNAL ONLY. More...
 
#define CPP_member
 
#define CPP_member_sfinae    CPP_broken_friend_member
 INTERNAL ONLY.
 
#define CPP_NOT(...)   (!(__VA_ARGS__))
 
#define CPP_PP_CAT(X, ...)   CPP_PP_CAT_(X, __VA_ARGS__)
 
#define CPP_PP_CAT_(X, ...)   X ## __VA_ARGS__
 
#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_COMMA()   ,
 
#define CPP_PP_COMMA_IIF(X)    CPP_PP_IIF(X)(CPP_PP_EMPTY, CPP_PP_COMMA)()
 
#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_EAT(...)
 
#define CPP_PP_EAT_MUTABLE_mutable
 INTERNAL ONLY.
 
#define CPP_PP_EMPTY()
 
#define CPP_PP_EVAL(X, ...)   CPP_PP_EVAL_(X, (__VA_ARGS__))
 
#define CPP_PP_EVAL2(X, ...)   CPP_PP_EVAL2_(X, (__VA_ARGS__))
 
#define CPP_PP_EVAL2_(X, ARGS)   X ARGS
 
#define CPP_PP_EVAL_(X, ARGS)   X ARGS
 
#define CPP_PP_EXPAND(...)   __VA_ARGS__
 
#define CPP_PP_FIRST(LIST)   CPP_PP_FIRST_ LIST
 
#define CPP_PP_FIRST_(...)   __VA_ARGS__ CPP_PP_EAT
 
#define CPP_PP_FOR_EACH(M, ...)    CPP_PP_FOR_EACH_N(CPP_PP_COUNT(__VA_ARGS__), 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_FOR_EACH_N(N, M, ...)    CPP_PP_CAT(CPP_PP_FOR_EACH_, N)(M, __VA_ARGS__)
 
#define CPP_PP_IGNORE_CXX2A_COMPAT_BEGIN
 
#define CPP_PP_IGNORE_CXX2A_COMPAT_END
 
#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_IS_NOT_EMPTY(...)
 
#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_PP_LBRACE()   {
 
#define CPP_PP_LPAREN   (
 
#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_PROBE(x)   x, 1,
 
#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_PROBE_EMPTY()
 
#define CPP_PP_PROBE_EMPTY_PROBE_CPP_PP_PROBE_EMPTY    CPP_PP_PROBE(~)
 
#define CPP_PP_PROBE_N(x, n)   x, n,
 
#define CPP_PP_RBRACE()   }
 
#define CPP_PP_RPAREN   )
 
#define CPP_PP_SECOND(LIST)   CPP_PP_SECOND_ LIST
 
#define CPP_PP_SECOND_(...)   CPP_PP_EXPAND
 
#define CPP_requires(NAME, REQS)
 
#define CPP_REQUIRES_AUX_(...)    { __VA_ARGS__; }
 INTERNAL ONLY.
 
#define CPP_requires_ref(NAME, ...)    NAME<__VA_ARGS__>
 
#define CPP_REQUIRES_requires(...)    requires(__VA_ARGS__) CPP_REQUIRES_AUX_
 INTERNAL ONLY.
 
#define CPP_ret(...)    __VA_ARGS__ CPP_PP_EXPAND
 
#define CPP_template(...)   template<__VA_ARGS__> CPP_TEMPLATE_EXPAND_
 
#define CPP_TEMPLATE_AUX_(...)
 INTERNAL ONLY. More...
 
#define CPP_TEMPLATE_AUX_0(...)   __VA_ARGS__
 INTERNAL ONLY.
 
#define CPP_TEMPLATE_AUX_1(DECL, ...)    CPP_concept CPP_CONCEPT_NAME_(DECL) = __VA_ARGS__
 INTERNAL ONLY.
 
#define CPP_TEMPLATE_AUX_WHICH_(FIRST, ...)
 INTERNAL ONLY. More...
 
#define CPP_template_def   CPP_template
 
#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_TEMPLATE_EXPAND_(X, Y)   X Y
 
#define CPP_TEMPLATE_PROBE_CONCEPT_concept    CPP_PP_PROBE(~)
 INTERNAL ONLY.
 
#define CPP_template_sfinae(...)
 
#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_TEMPLATE_SFINAE_AUX_3_requires
 INTERNAL ONLY.
 
#define CPP_TEMPLATE_SFINAE_AUX_WHICH_(FIRST, ...)
 INTERNAL ONLY. More...
 
#define CPP_TEMPLATE_SFINAE_PROBE_CONCEPT_concept    CPP_PP_PROBE(~)
 INTERNAL ONLY.
 
#define CPP_TRUE_FN   CPP_true_fn(::concepts::detail::xNil{})
 

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 >
 

Variables

template<typename T , typename U >
concept concepts::aassignable_from
 \concept assignable_from More...
 
template<bool... Bs>
constexpr bool concepts::and_v
 
template<typename T , typename U >
concept concepts::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 >
concept concepts::detail::bboolean_testable_
 \concept boolean_testable_ More...
 
template<typename T >
concept concepts::detail::bboolean_testable_impl_ = convertible_to<T, bool>
 \concept boolean_testable_impl_ More...
 
template<typename T >
concept concepts::detail::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 >
concept concepts::ccommon_reference_with
 \concept common_reference_with More...
 
template<typename T , typename U >
concept concepts::ccommon_with
 \concept common_with More...
 
template<typename T , typename... Args>
concept concepts::cconstructible_from
 \concept constructible_from More...
 
template<typename From , typename To >
concept concepts::cconvertible_to
 \concept convertible_to More...
 
template<typename T >
concept concepts::ccopy_constructible
 \concept copy_constructible More...
 
template<typename T >
concept concepts::ccopyable
 \concept copyable More...
 
template<typename T , typename U >
concept concepts::common_reference_with_
 \concept common_reference_with_ More...
 
template<typename T , typename U >
concept concepts::common_with_
 \concept common_with_ More...
 
template<typename T >
concept concepts::copy_assignable_
 \concept copy_assignable_ More...
 
template<typename T >
concept concepts::copy_constructible_
 \concept copy_constructible_ More...
 
template<typename T >
concept concepts::ddefault_constructible
 \concept default_constructible More...
 
template<typename T , typename U >
concept concepts::dderived_from
 \concept derived_from More...
 
template<typename T >
concept concepts::ddestructible
 \concept destructible More...
 
template<typename T , typename U >
concept concepts::derived_from_
 \concept derived_from_ More...
 
template<typename T >
concept concepts::eequality_comparable
 \concept equality_comparable More...
 
template<typename T , typename U >
concept concepts::eequality_comparable_with
 \concept equality_comparable_with More...
 
template<typename From , typename To >
concept concepts::eexplicitly_convertible_to
 \concept explicitly_convertible_to More...
 
template<typename T , typename U >
concept concepts::equality_comparable_with_
 \concept equality_comparable_with_ More...
 
template<typename From , typename To >
concept concepts::explicitly_convertible_to_ = requires( From(*from)() ) { static_cast<To>(from()) ; }
 \concept explicitly_convertible_to_ More...
 
template<typename From , typename To >
concept concepts::iimplicitly_convertible_to
 \concept implicitly_convertible_to More...
 
template<typename T >
concept concepts::iintegral
 \concept integral More...
 
template<bool B>
concept concepts::iis_true = B
 \concept is_true More...
 
template<typename T >
concept concepts::mmovable
 \concept movable More...
 
template<typename T >
concept concepts::mmove_constructible
 \concept move_constructible More...
 
template<typename T >
concept concepts::move_assignable_
 \concept move_assignable_ More...
 
template<bool... Bs>
constexpr bool concepts::or_v
 
template<typename T , typename U >
concept concepts::detail::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...
 
template<typename T , typename U >
concept concepts::detail::ppartially_ordered_with_
 \concept partially_ordered_with_ More...
 
template<bool B>
constexpr std::enable_if_t< B, intconcepts::requires_ = 0
 
template<typename T >
concept concepts::rregular
 \concept regular More...
 
template<typename A , typename B >
concept concepts::ssame_as
 \concept same_as More...
 
template<class T , template< typename... > class Trait, typename... Args>
concept concepts::ssatisfies
 \concept satisfies More...
 
template<typename T >
concept concepts::ssemiregular
 \concept semiregular More...
 
template<typename T >
concept concepts::ssigned_integral
 \concept signed_integral More...
 
template<typename T >
concept concepts::sswappable
 \concept swappable More...
 
template<typename T , typename U >
concept concepts::sswappable_with
 \concept swappable_with More...
 
template<typename T >
concept concepts::swappable_ = requires( T & t, T & u ) { concepts::swap(t, u) ; }
 \concept swappable_ More...
 
template<typename T , typename U >
concept concepts::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 , typename U >
concept concepts::totally_ordered_with_
 \concept totally_ordered_with_ More...
 
template<typename T >
concept concepts::ttotally_ordered
 \concept totally_ordered More...
 
template<typename T , typename U >
concept concepts::ttotally_ordered_with
 \concept totally_ordered_with More...
 
template<typename... Args>
concept concepts::ttype = true
 \concept type More...
 
template<typename T >
concept concepts::uunsigned_integral
 \concept unsigned_integral More...
 
template<typename T , typename U >
concept concepts::detail::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 >
concept concepts::detail::wweakly_equality_comparable_with_
 \concept weakly_equality_comparable_with_ 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_( \
(__VA_ARGS__,) \
)(__VA_ARGS__)
#define CPP_AUTO_FUN_SELECT_RETURNS_(MAYBE_CONST,...)
INTERNAL ONLY.
Definition: concepts.hpp:666

INTERNAL ONLY.

◆ CPP_AUTO_FUN_RETURNS_CONST_0

#define CPP_AUTO_FUN_RETURNS_CONST_0 (   ...)
Value:
CPP_PP_CAT(CPP_AUTO_FUN_RETURNS_, __VA_ARGS__))
#define CPP_AUTO_FUN_RETURNS_(...)
INTERNAL ONLY.
Definition: concepts.hpp:659
#define CPP_AUTO_FUN_DECLTYPE_NOEXCEPT_(...)
INTERNAL ONLY.
Definition: concepts.hpp:704

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_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_)
#define CPP_EAT_CONCEPT_(DECL)
INTERNAL ONLY.
Definition: concepts.hpp:326

INTERNAL ONLY.

◆ CPP_ctor_sfinae

#define CPP_ctor_sfinae (   TYPE)
Value:
CPP_PP_IGNORE_CXX2A_COMPAT_BEGIN \
#define CPP_CTOR_SFINAE_IMPL_1_(...)
INTERNAL ONLY.
Definition: concepts.hpp:365

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__)
#define CPP_CTOR_SFINAE_MAKE_PROBE(FIRST,...)
INTERNAL ONLY.
Definition: concepts.hpp:376

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_EXPAND

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:
concept NAME = \
CPP_PP_CAT(CPP_REQUIRES_, REQS)

◆ CPP_TEMPLATE_AUX_

#define CPP_TEMPLATE_AUX_ (   ...)
Value:
> CPP_PP_CAT( \
CPP_TEMPLATE_AUX_WHICH_(__VA_ARGS__,))(__VA_ARGS__)
#define CPP_TEMPLATE_AUX_WHICH_(FIRST,...)
INTERNAL ONLY.
Definition: concepts.hpp:232
#define CPP_TEMPLATE_AUX_(...)
INTERNAL ONLY.
Definition: concepts.hpp:226

INTERNAL ONLY.

◆ CPP_TEMPLATE_AUX_WHICH_

#define CPP_TEMPLATE_AUX_WHICH_ (   FIRST,
  ... 
)
Value:
CPP_PP_EVAL( \
CPP_PP_CHECK, \
CPP_PP_CAT(CPP_TEMPLATE_PROBE_CONCEPT_, FIRST))

INTERNAL ONLY.

◆ 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_
#define CPP_TEMPLATE_SFINAE_AUX_(...)
INTERNAL ONLY.
Definition: concepts.hpp:289

◆ CPP_TEMPLATE_SFINAE_AUX_

#define CPP_TEMPLATE_SFINAE_AUX_ (   ...)
Value:
CPP_PP_CAT( \
CPP_TEMPLATE_SFINAE_AUX_WHICH_(__VA_ARGS__,))(__VA_ARGS__)
#define CPP_TEMPLATE_SFINAE_AUX_WHICH_(FIRST,...)
INTERNAL ONLY.
Definition: concepts.hpp:283

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
#define CPP_CONCEPT_NAME_(DECL)
INTERNAL ONLY.
Definition: concepts.hpp:316
#define CPP_CONCEPT_PARAMS_(DECL)
INTERNAL ONLY.
Definition: concepts.hpp:322

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.

Variable Documentation

◆ aassignable_from

template<typename T , typename U >
concept concepts::defs::aassignable_from
Initial value:
=
std::is_lvalue_reference<T>::value &&
common_reference_with<detail::as_cref_t<T>, detail::as_cref_t<U>> &&
defs::assignable_from_ < T, U >

\concept assignable_from

The assignable_from concept

◆ and_v

template<bool... Bs>
constexpr bool concepts::and_v
constexpr
Initial value:
=
std::is_same< detail::bools<Bs..., true>, detail::bools<true, Bs...> >::value

◆ assignable_from_

template<typename T , typename U >
concept concepts::defs::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

◆ bboolean_testable_

template<typename T >
concept concepts::detail::bboolean_testable_
Initial value:
=
boolean_testable_frag_ < T > &&
boolean_testable_impl_<T>

\concept boolean_testable_

The boolean_testable_ concept

◆ bboolean_testable_impl_

template<typename T >
concept concepts::detail::bboolean_testable_impl_ = convertible_to<T, bool>

\concept boolean_testable_impl_

The boolean_testable_impl_ concept

◆ boolean_testable_frag_

template<typename T >
concept concepts::detail::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

◆ ccommon_reference_with

template<typename T , typename U >
concept concepts::defs::ccommon_reference_with
Initial value:
=
concepts::common_reference_with_ < T, U >

\concept common_reference_with

The common_reference_with concept

◆ ccommon_with

template<typename T , typename U >
concept concepts::defs::ccommon_with
Initial value:
=
concepts::common_with_ < T, U >

\concept common_with

The common_with concept

◆ cconstructible_from

template<typename T , typename... Args>
concept concepts::defs::cconstructible_from
Initial value:
=
destructible<T> &&
std::is_constructible< T, Args... >::value

\concept constructible_from

The constructible_from concept

◆ cconvertible_to

template<typename From , typename To >
concept concepts::defs::cconvertible_to
Initial value:
=
implicitly_convertible_to<From, To> &&
explicitly_convertible_to<From, To>

\concept convertible_to

The convertible_to concept

◆ ccopy_constructible

template<typename T >
concept concepts::defs::ccopy_constructible
Initial value:
=
move_constructible<T> &&
concepts::copy_constructible_ < T >

\concept copy_constructible

The copy_constructible concept

◆ ccopyable

template<typename T >
concept concepts::defs::ccopyable
Initial value:
=
copy_constructible<T> &&
movable<T> &&
concepts::copy_assignable_ < T >

\concept copyable

The copyable concept

◆ common_reference_with_

template<typename T , typename U >
concept concepts::defs::common_reference_with_
Initial value:
= same_as<common_reference_t<T U>, common_reference_t<U, T>> &&
convertible_to<T, common_reference_t<T, U>> &&
convertible_to<U, common_reference_t<T, U>>
)

\concept common_reference_with_

The common_reference_with_ concept

◆ common_with_

template<typename T , typename U >
concept concepts::defs::common_with_
Initial value:
= same_as<common_type_t<T U>, common_type_t<U, T>> &&
convertible_to<T, common_type_t<T, U>> &&
convertible_to<U, common_type_t<T, U>> &&
common_reference_with<
std::add_lvalue_reference_t<T const>,
std::add_lvalue_reference_t<U const>> &&
common_reference_with<
std::add_lvalue_reference_t<common_type_t<T, U>>,
common_reference_t<
std::add_lvalue_reference_t<T const>,
std::add_lvalue_reference_t<U const>>>
)

\concept common_with_

The common_with_ concept

◆ copy_assignable_

template<typename T >
concept concepts::defs::copy_assignable_
Initial value:
= assignable_from<T & T const &>
)

\concept copy_assignable_

The copy_assignable_ concept

◆ copy_constructible_

template<typename T >
concept concepts::defs::copy_constructible_
Initial value:
= constructible_from<T T &> &&
constructible_from<T, T const &> &&
constructible_from<T, T const> &&
convertible_to<T &, T> &&
convertible_to<T const &, T> &&
convertible_to<T const, T>)

\concept copy_constructible_

The copy_constructible_ concept

◆ ddefault_constructible

template<typename T >
concept concepts::defs::ddefault_constructible
Initial value:
=
constructible_from<T>

\concept default_constructible

The default_constructible concept

◆ dderived_from

template<typename T , typename U >
concept concepts::defs::dderived_from
Initial value:
=
std::is_base_of< U, T >::value &&
concepts::derived_from_ < T, U >

\concept derived_from

The derived_from concept

◆ ddestructible

template<typename T >
concept concepts::defs::ddestructible
Initial value:
=
std::is_nothrow_destructible<T>::value

\concept destructible

The destructible concept

◆ derived_from_

template<typename T , typename U >
concept concepts::defs::derived_from_
Initial value:
= convertible_to<T const volatile * U const volatile *>
)

\concept derived_from_

The derived_from_ concept

◆ eequality_comparable

template<typename T >
concept concepts::defs::eequality_comparable
Initial value:
=
detail::weakly_equality_comparable_with_<T, T>

\concept equality_comparable

The equality_comparable concept

◆ eequality_comparable_with

template<typename T , typename U >
concept concepts::defs::eequality_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>> &&
concepts::equality_comparable_with_ < T, U >

\concept equality_comparable_with

The equality_comparable_with concept

◆ eexplicitly_convertible_to

template<typename From , typename To >
concept concepts::defs::eexplicitly_convertible_to
Initial value:
=
concepts::explicitly_convertible_to_ < From, To >

\concept explicitly_convertible_to

The explicitly_convertible_to concept

◆ equality_comparable_with_

template<typename T , typename U >
concept concepts::defs::equality_comparable_with_
Initial value:
= equality_comparable<
common_reference_t<detail::as_cref_t<T> detail::as_cref_t<U>>>
)

\concept equality_comparable_with_

The equality_comparable_with_ concept

◆ explicitly_convertible_to_

template<typename From , typename To >
concept concepts::defs::explicitly_convertible_to_ = requires( From(*from)() ) { static_cast<To>(from()) ; }

\concept explicitly_convertible_to_

The explicitly_convertible_to_ concept

◆ iimplicitly_convertible_to

template<typename From , typename To >
concept concepts::defs::iimplicitly_convertible_to
Initial value:
=
std::is_convertible<std::add_rvalue_reference_t<From>, To>::value

\concept implicitly_convertible_to

The implicitly_convertible_to concept

◆ iintegral

template<typename T >
concept concepts::defs::iintegral
Initial value:
=
std::is_integral<T>::value

\concept integral

The integral concept

◆ iis_true

template<bool B>
concept concepts::defs::iis_true = B

\concept is_true

The is_true concept

◆ mmovable

template<typename T >
concept concepts::defs::mmovable
Initial value:
=
std::is_object<T>::value &&
move_constructible<T> &&
concepts::move_assignable_ < T > &&
swappable<T>

\concept movable

The movable concept

◆ mmove_constructible

template<typename T >
concept concepts::defs::mmove_constructible
Initial value:
=
constructible_from<T, T> &&
convertible_to<T, T>

\concept move_constructible

The move_constructible concept

◆ move_assignable_

template<typename T >
concept concepts::defs::move_assignable_
Initial value:
= assignable_from<T & T>
)

\concept move_assignable_

The move_assignable_ concept

◆ or_v

template<bool... Bs>
constexpr bool concepts::or_v
constexpr
Initial value:
=
!std::is_same< detail::bools<Bs..., false>, detail::bools<false, Bs...> >::value

◆ partially_ordered_with_frag_

template<typename T , typename U >
concept concepts::detail::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

◆ ppartially_ordered_with_

template<typename T , typename U >
concept concepts::detail::ppartially_ordered_with_
Initial value:
=
partially_ordered_with_frag_ < T, U >

\concept partially_ordered_with_

The partially_ordered_with_ concept

◆ rregular

template<typename T >
concept concepts::defs::rregular
Initial value:
=
semiregular<T> &&
equality_comparable<T>

\concept regular

The regular concept

◆ ssame_as

template<typename A , typename B >
concept concepts::defs::ssame_as
Initial value:
=
std::is_same< A, B >::value && std::is_same< B, A >::value

\concept same_as

The same_as concept

◆ ssatisfies

template<class T , template< typename... > class Trait, typename... Args>
concept concepts::defs::ssatisfies
Initial value:
=
static_cast<bool>(Trait<T, Args...>::type::value)

\concept satisfies

The satisfies concept

◆ ssemiregular

template<typename T >
concept concepts::defs::ssemiregular
Initial value:
=
copyable<T> &&
default_constructible<T>

\concept semiregular

The semiregular concept

◆ ssigned_integral

template<typename T >
concept concepts::defs::ssigned_integral
Initial value:
=
integral<T> &&
std::is_signed<T>::value

\concept signed_integral

The signed_integral concept

◆ sswappable

template<typename T >
concept concepts::defs::sswappable
Initial value:
=
defs::swappable_ < T >

\concept swappable

The swappable concept

◆ sswappable_with

template<typename T , typename U >
concept concepts::defs::sswappable_with
Initial value:
=
common_reference_with<detail::as_cref_t<T>, detail::as_cref_t<U>> &&
defs::swappable_with_ < T, U >

\concept swappable_with

The swappable_with concept

◆ swappable_

template<typename T >
concept concepts::defs::swappable_ = requires( T & t, T & u ) { concepts::swap(t, u) ; }

\concept swappable_

The swappable_ concept

◆ swappable_with_

template<typename T , typename U >
concept concepts::defs::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

◆ totally_ordered_with_

template<typename T , typename U >
concept concepts::defs::totally_ordered_with_
Initial value:
= totally_ordered<
common_reference_t<
detail::as_cref_t<T>
detail::as_cref_t<U>>> &&
detail::partially_ordered_with_<T, U>)

\concept totally_ordered_with_

The totally_ordered_with_ concept

◆ ttotally_ordered

template<typename T >
concept concepts::defs::ttotally_ordered
Initial value:
=
equality_comparable<T> &&
detail::partially_ordered_with_<T, T>

\concept totally_ordered

The totally_ordered concept

◆ ttotally_ordered_with

template<typename T , typename U >
concept concepts::defs::ttotally_ordered_with
Initial value:
=
totally_ordered<T> &&
totally_ordered<U> &&
equality_comparable_with<T, U> &&
concepts::totally_ordered_with_ < T, U >

\concept totally_ordered_with

The totally_ordered_with concept

◆ ttype

template<typename... Args>
concept concepts::defs::ttype = true

\concept type

The type concept

◆ uunsigned_integral

template<typename T >
concept concepts::defs::uunsigned_integral
Initial value:
=
integral<T> &&
!signed_integral<T>

\concept unsigned_integral

The unsigned_integral concept

◆ weakly_equality_comparable_with_frag_

template<typename T , typename U >
concept concepts::detail::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

◆ wweakly_equality_comparable_with_

template<typename T , typename U >
concept concepts::detail::wweakly_equality_comparable_with_
Initial value:
=
weakly_equality_comparable_with_frag_ < T, U >

\concept weakly_equality_comparable_with_

The weakly_equality_comparable_with_ concept