libstdc++
Utilities
Collaboration diagram for Utilities:

Modules

 Function Objects
 
 Memory
 
 Metaprogramming
 
 Rational Arithmetic
 
 Time
 

Classes

struct  std::_Tuple_impl< _Idx, _Elements >
 
class  std::tuple< _Elements >
 
struct  std::tuple_element< __i, tuple< _Head, _Tail... > >
 
struct  std::tuple_size< tuple< _Elements... > >
 
struct  std::uses_allocator< tuple< _Types... >, _Alloc >
 

Macros

#define __cpp_lib_tuples_by_type
 

Typedefs

template<typename _Res , typename _Callable , typename... _Args>
using std::__can_invoke_as_nonvoid = __enable_if_t< __and_< __not_< is_void< _Res > >, is_convertible< typename __invoke_result< _Callable, _Args... >::type, _Res > >::value, _Res >
 
template<typename _Res , typename _Callable , typename... _Args>
using std::__can_invoke_as_void = __enable_if_t< __and_< is_void< _Res >, __is_invocable< _Callable, _Args... > >::value, _Res >
 
template<typename _Tp >
using std::__empty_not_final = typename conditional< __is_final(_Tp), false_type, __is_empty_non_tuple< _Tp > >::type
 
typedef _T1 std::pair< _T1, _T2 >::first_type
 
typedef _T2 std::pair< _T1, _T2 >::second_type
 

Functions

template<typename _U1 = _T1, typename _U2 = _T2, typename enable_if< __and_< __is_implicitly_default_constructible< _U1 >, __is_implicitly_default_constructible< _U2 >> ::value, bool >::type = true>
constexpr std::pair< _T1, _T2 >::pair ()
 
template<typename _U1 , typename _U2 , typename enable_if< _PCCP::template _MoveConstructiblePair< _U1, _U2 >() &&_PCCP::template _ImplicitlyMoveConvertiblePair< _U1, _U2 >(), bool >::type = true>
constexpr std::pair< _T1, _T2 >::pair (_U1 &&__x, _U2 &&__y)
 
template<typename _U1 , typename enable_if< _PCCP::template _MoveCopyPair< true, _U1, _T2 >(), bool >::type = true>
constexpr std::pair< _T1, _T2 >::pair (_U1 &&__x, const _T2 &__y)
 
template<typename _U1 = _T1, typename _U2 = _T2, typename enable_if< _PCCP::template _ConstructiblePair< _U1, _U2 >() &&_PCCP::template _ImplicitlyConvertiblePair< _U1, _U2 >(), bool >::type = true>
constexpr std::pair< _T1, _T2 >::pair (const _T1 &__a, const _T2 &__b)
 
template<typename _U2 , typename enable_if< _PCCP::template _CopyMovePair< true, _T1, _U2 >(), bool >::type = true>
constexpr std::pair< _T1, _T2 >::pair (const _T1 &__x, _U2 &&__y)
 
constexpr std::pair< _T1, _T2 >::pair (const pair &)=default
 
template<typename _U1 , typename _U2 , typename enable_if< _PCCFP< _U1, _U2 >::template _ConstructiblePair< _U1, _U2 >() &&_PCCFP< _U1, _U2 >::template _ImplicitlyConvertiblePair< _U1, _U2 >(), bool >::type = true>
constexpr std::pair< _T1, _T2 >::pair (const pair< _U1, _U2 > &__p)
 
constexpr std::pair< _T1, _T2 >::pair (pair &&)=default
 
template<typename _U1 , typename _U2 , typename enable_if< _PCCFP< _U1, _U2 >::template _MoveConstructiblePair< _U1, _U2 >() &&_PCCFP< _U1, _U2 >::template _ImplicitlyMoveConvertiblePair< _U1, _U2 >(), bool >::type = true>
constexpr std::pair< _T1, _T2 >::pair (pair< _U1, _U2 > &&__p)
 
template<typename... _Args1, typename... _Args2>
constexpr std::pair< _T1, _T2 >::pair (piecewise_construct_t, tuple< _Args1... >, tuple< _Args2... >)
 
template<typename _Tp >
constexpr _Tp * std::__addressof (_Tp &__r) noexcept
 
template<typename _Tp , typename _Up = _Tp>
constexpr _Tp std::__exchange (_Tp &__obj, _Up &&__new_val)
 
template<std::size_t __i, typename _Head , typename... _Tail>
constexpr _Head & std::__get_helper (_Tuple_impl< __i, _Head, _Tail... > &__t) noexcept
 
template<std::size_t __i, typename _Head , typename... _Tail>
constexpr const _Head & std::__get_helper (const _Tuple_impl< __i, _Head, _Tail... > &__t) noexcept
 
template<typename _Head , size_t __i, typename... _Tail>
constexpr _Head & std::__get_helper2 (_Tuple_impl< __i, _Head, _Tail... > &__t) noexcept
 
template<typename _Head , size_t __i, typename... _Tail>
constexpr const _Head & std::__get_helper2 (const _Tuple_impl< __i, _Head, _Tail... > &__t) noexcept
 
template<typename _Tp , typename _Up = typename __inv_unwrap<_Tp>::type>
constexpr _Up && std::__invfwd (typename remove_reference< _Tp >::type &__t) noexcept
 
template<typename _Callable , typename... _Args>
constexpr __invoke_result< _Callable, _Args... >::type std::__invoke (_Callable &&__fn, _Args &&... __args) noexcept(__is_nothrow_invocable< _Callable, _Args... >::value)
 
template<typename _Res , typename _MemFun , typename _Tp , typename... _Args>
constexpr _Res std::__invoke_impl (__invoke_memfun_deref, _MemFun &&__f, _Tp &&__t, _Args &&... __args)
 
template<typename _Res , typename _MemFun , typename _Tp , typename... _Args>
constexpr _Res std::__invoke_impl (__invoke_memfun_ref, _MemFun &&__f, _Tp &&__t, _Args &&... __args)
 
template<typename _Res , typename _MemPtr , typename _Tp >
constexpr _Res std::__invoke_impl (__invoke_memobj_deref, _MemPtr &&__f, _Tp &&__t)
 
template<typename _Res , typename _MemPtr , typename _Tp >
constexpr _Res std::__invoke_impl (__invoke_memobj_ref, _MemPtr &&__f, _Tp &&__t)
 
template<typename _Res , typename _Fn , typename... _Args>
constexpr _Res std::__invoke_impl (__invoke_other, _Fn &&__f, _Args &&... __args)
 
template<typename _Res , typename _Callable , typename... _Args>
constexpr __can_invoke_as_nonvoid< _Res, _Callable, _Args... > std::__invoke_r (_Callable &&__fn, _Args &&... __args)
 
template<typename _Tp >
constexpr _Tp * std::addressof (_Tp &__r) noexcept
 
template<typename _Tp >
const _Tp * std::addressof (const _Tp &&)=delete
 
template<typename _Tp >
constexpr _Tp && std::forward (typename std::remove_reference< _Tp >::type &&__t) noexcept
 
template<typename _Tp >
constexpr _Tp && std::forward (typename std::remove_reference< _Tp >::type &__t) noexcept
 
template<typename... _Elements>
constexpr tuple< _Elements &&... > std::forward_as_tuple (_Elements &&... __args) noexcept
 
template<std::size_t __i, typename... _Elements>
constexpr const __tuple_element_t< __i, tuple< _Elements... > > && std::get (const tuple< _Elements... > &&__t) noexcept
 
template<std::size_t __i, typename... _Elements>
constexpr const __tuple_element_t< __i, tuple< _Elements... > > & std::get (const tuple< _Elements... > &__t) noexcept
 
template<typename _Tp , typename... _Types>
constexpr const _Tp && std::get (const tuple< _Types... > &&__t) noexcept
 
template<typename _Tp , typename... _Types>
constexpr const _Tp & std::get (const tuple< _Types... > &__t) noexcept
 
template<std::size_t __i, typename... _Elements>
constexpr __tuple_element_t< __i, tuple< _Elements... > > && std::get (tuple< _Elements... > &&__t) noexcept
 
template<std::size_t __i, typename... _Elements>
constexpr __tuple_element_t< __i, tuple< _Elements... > > & std::get (tuple< _Elements... > &__t) noexcept
 
template<typename _Tp , typename... _Types>
constexpr _Tp && std::get (tuple< _Types... > &&__t) noexcept
 
template<typename _Tp , typename... _Types>
constexpr _Tp & std::get (tuple< _Types... > &__t) noexcept
 
template<typename... _Elements>
constexpr tuple< typename __decay_and_strip< _Elements >::__type... > std::make_tuple (_Elements &&... __args)
 
template<typename _Tp >
constexpr std::remove_reference< _Tp >::type && std::move (_Tp &&__t) noexcept
 
template<typename _Tp >
constexpr conditional< __move_if_noexcept_cond< _Tp >::value, const _Tp &, _Tp && >::type std::move_if_noexcept (_Tp &__x) noexcept
 
template<typename... _TElements, typename... _UElements>
constexpr bool std::operator!= (const tuple< _TElements... > &__t, const tuple< _UElements... > &__u)
 
template<typename... _TElements, typename... _UElements>
constexpr bool std::operator< (const tuple< _TElements... > &__t, const tuple< _UElements... > &__u)
 
template<typename... _TElements, typename... _UElements>
constexpr bool std::operator<= (const tuple< _TElements... > &__t, const tuple< _UElements... > &__u)
 
template<typename _U1 , typename _U2 >
constexpr enable_if< __and_< is_assignable< _T1 &, const _U1 & >, is_assignable< _T2 &, const _U2 & > >::value, pair & >::type std::pair< _T1, _T2 >::operator= (const pair< _U1, _U2 > &__p)
 
template<typename _U1 , typename _U2 >
constexpr enable_if< __and_< is_assignable< _T1 &, _U1 && >, is_assignable< _T2 &, _U2 && > >::value, pair & >::type std::pair< _T1, _T2 >::operator= (pair< _U1, _U2 > &&__p)
 
constexpr pairstd::pair< _T1, _T2 >::operator= (typename conditional< __and_< is_copy_assignable< _T1 >, is_copy_assignable< _T2 >>::value, const pair &, const __nonesuch & >::type __p)
 
constexpr pairstd::pair< _T1, _T2 >::operator= (typename conditional< __and_< is_move_assignable< _T1 >, is_move_assignable< _T2 >>::value, pair &&, __nonesuch && >::type __p) noexcept(__and_< is_nothrow_move_assignable< _T1 >, is_nothrow_move_assignable< _T2 >>::value)
 
template<typename... _TElements, typename... _UElements>
constexpr bool std::operator== (const tuple< _TElements... > &__t, const tuple< _UElements... > &__u)
 
template<typename... _TElements, typename... _UElements>
constexpr bool std::operator> (const tuple< _TElements... > &__t, const tuple< _UElements... > &__u)
 
template<typename... _TElements, typename... _UElements>
constexpr bool std::operator>= (const tuple< _TElements... > &__t, const tuple< _UElements... > &__u)
 
template<typename _Tp >
constexpr enable_if< __and_< __not_< __is_tuple_like< _Tp > >, is_move_constructible< _Tp >, is_move_assignable< _Tp > >::value >::type std::swap (_Tp &__a, _Tp &__b) noexcept(/*conditional */) is_nothrow_move_assignable< _Tp >>
 
template<typename _Tp , size_t _Nm>
constexpr enable_if< __is_swappable< _Tp >::value >::type std::swap (_Tp(&__a)[_Nm], _Tp(&__b)[_Nm]) noexcept(/*conditional */)
 
constexpr void std::pair< _T1, _T2 >::swap (pair &__p) noexcept(__and_< __is_nothrow_swappable< _T1 >, __is_nothrow_swappable< _T2 >>::value)
 
template<typename... _Elements>
constexpr enable_if< __and_< __is_swappable< _Elements >... >::value >::type std::swap (tuple< _Elements... > &__x, tuple< _Elements... > &__y) noexcept(noexcept(__x.swap(__y)))
 
template<typename... _Elements>
constexpr tuple< _Elements &... > std::tie (_Elements &... __args) noexcept
 
template<typename... _Tpls, typename = typename enable_if<__and_<__is_tuple_like<_Tpls>...>::value>::type>
constexpr auto std::tuple_cat (_Tpls &&... __tpls) -> typename __tuple_cat_result< _Tpls... >::__type
 

Variables

_T1 std::pair< _T1, _T2 >::first
 
constexpr _Swallow_assign std::ignore
 
constexpr piecewise_construct_t std::piecewise_construct
 
_T2 std::pair< _T1, _T2 >::second
 
template<typename _T1 , typename _T2 >
constexpr bool operator== (const pair< _T1, _T2 > &__x, const pair< _T1, _T2 > &__y)
 
template<typename _T1 , typename _T2 >
constexpr bool operator< (const pair< _T1, _T2 > &__x, const pair< _T1, _T2 > &__y)
 
template<typename _T1 , typename _T2 >
constexpr bool operator!= (const pair< _T1, _T2 > &__x, const pair< _T1, _T2 > &__y)
 
template<typename _T1 , typename _T2 >
constexpr bool operator> (const pair< _T1, _T2 > &__x, const pair< _T1, _T2 > &__y)
 
template<typename _T1 , typename _T2 >
constexpr bool operator<= (const pair< _T1, _T2 > &__x, const pair< _T1, _T2 > &__y)
 
template<typename _T1 , typename _T2 >
constexpr bool operator>= (const pair< _T1, _T2 > &__x, const pair< _T1, _T2 > &__y)
 
template<typename _T1 , typename _T2 >
constexpr enable_if< __and_< __is_swappable< _T1 >, __is_swappable< _T2 > >::value >::type swap (pair< _T1, _T2 > &__x, pair< _T1, _T2 > &__y) noexcept(noexcept(__x.swap(__y)))
 
template<typename _T1 , typename _T2 >
constexpr pair< typename __decay_and_strip< _T1 >::__type, typename __decay_and_strip< _T2 >::__type > make_pair (_T1 &&__x, _T2 &&__y)
 

Detailed Description

Components deemed generally useful. Includes pair, tuple, forward/move helpers, ratio, function object, metaprogramming and type traits, time, date, and memory functions.

Typedef Documentation

◆ first_type

template<typename _T1 , typename _T2 >
typedef _T1 std::pair< _T1, _T2 >::first_type

The type of the first member.

Definition at line 213 of file stl_pair.h.

◆ second_type

template<typename _T1 , typename _T2 >
typedef _T2 std::pair< _T1, _T2 >::second_type

The type of the second member.

Definition at line 214 of file stl_pair.h.

Function Documentation

◆ pair() [1/5]

template<typename _T1 , typename _T2 >
template<typename _U1 = _T1, typename _U2 = _T2, typename enable_if< __and_< __is_implicitly_default_constructible< _U1 >, __is_implicitly_default_constructible< _U2 >> ::value, bool >::type = true>
constexpr std::pair< _T1, _T2 >::pair ( )
inlineconstexpr

The default constructor creates first and second using their respective default constructors.

Definition at line 231 of file stl_pair.h.

◆ pair() [2/5]

template<typename _T1 , typename _T2 >
template<typename _U1 = _T1, typename _U2 = _T2, typename enable_if< _PCCP::template _ConstructiblePair< _U1, _U2 >() &&_PCCP::template _ImplicitlyConvertiblePair< _U1, _U2 >(), bool >::type = true>
constexpr std::pair< _T1, _T2 >::pair ( const _T1 &  __a,
const _T2 &  __b 
)
inlineconstexpr

Construct from two const lvalues, allowing implicit conversions.

Definition at line 265 of file stl_pair.h.

◆ pair() [3/5]

template<typename _T1 , typename _T2 >
constexpr std::pair< _T1, _T2 >::pair ( const pair< _T1, _T2 > &  )
constexprdefault

Copy constructor.

◆ pair() [4/5]

template<typename _T1 , typename _T2 >
constexpr std::pair< _T1, _T2 >::pair ( pair< _T1, _T2 > &&  )
constexprdefault

Move constructor.

◆ pair() [5/5]

template<class _T1 , class _T2 >
template<typename... _Args1, typename... _Args2>
constexpr std::pair< _T1, _T2 >::pair ( piecewise_construct_t  ,
tuple< _Args1... >  __first,
tuple< _Args2... >  __second 
)
inlineconstexpr

"piecewise construction" using a tuple of arguments for each member.

Parameters
__firstArguments for the first member of the pair.
__secondArguments for the second member of the pair.

The elements of each tuple will be used as the constructor arguments for the data members of the pair.

Definition at line 1673 of file tuple.

◆ __addressof()

◆ __invoke()

template<typename _Callable , typename... _Args>
constexpr __invoke_result<_Callable, _Args...>::type std::__invoke ( _Callable &&  __fn,
_Args &&...  __args 
)
constexprnoexcept

Invoke a callable object.

Definition at line 89 of file invoke.h.

◆ addressof()

template<typename _Tp >
constexpr _Tp* std::addressof ( _Tp &  __r)
inlineconstexprnoexcept

Returns the actual address of the object or function referenced by r, even in the presence of an overloaded operator&.

Parameters
__rReference to an object or function.
Returns
The actual address.

Definition at line 140 of file move.h.

References std::__addressof().

Referenced by std::pointer_traits< _Tp * >::pointer_to().

◆ forward() [1/2]

template<typename _Tp >
constexpr _Tp&& std::forward ( typename std::remove_reference< _Tp >::type &&  __t)
constexprnoexcept

Forward an rvalue.

Returns
The parameter cast to the specified type.

This function is used to implement "perfect forwarding".

Definition at line 87 of file move.h.

◆ forward() [2/2]

template<typename _Tp >
constexpr _Tp&& std::forward ( typename std::remove_reference< _Tp >::type &  __t)
constexprnoexcept

Forward an lvalue.

Returns
The parameter cast to the specified type.

This function is used to implement "perfect forwarding".

Definition at line 76 of file move.h.

◆ forward_as_tuple()

template<typename... _Elements>
constexpr tuple<_Elements&&...> std::forward_as_tuple ( _Elements &&...  __args)
constexprnoexcept

std::forward_as_tuple

Definition at line 1485 of file tuple.

◆ get() [1/8]

template<std::size_t __i, typename... _Elements>
constexpr const __tuple_element_t<__i, tuple<_Elements...> >&& std::get ( const tuple< _Elements... > &&  __t)
constexprnoexcept

Return a const rvalue reference to the ith element of a const tuple rvalue.

Definition at line 1314 of file tuple.

◆ get() [2/8]

template<std::size_t __i, typename... _Elements>
constexpr const __tuple_element_t<__i, tuple<_Elements...> >& std::get ( const tuple< _Elements... > &  __t)
constexprnoexcept

Return a const reference to the ith element of a const tuple.

Definition at line 1299 of file tuple.

◆ get() [3/8]

template<typename _Tp , typename... _Types>
constexpr const _Tp&& std::get ( const tuple< _Types... > &&  __t)
constexprnoexcept

Return a const reference to the unique element of type _Tp of a const tuple rvalue.

Definition at line 1356 of file tuple.

◆ get() [4/8]

template<typename _Tp , typename... _Types>
constexpr const _Tp& std::get ( const tuple< _Types... > &  __t)
constexprnoexcept

Return a const reference to the unique element of type _Tp of a tuple.

Definition at line 1349 of file tuple.

◆ get() [5/8]

template<std::size_t __i, typename... _Elements>
constexpr __tuple_element_t<__i, tuple<_Elements...> >&& std::get ( tuple< _Elements... > &&  __t)
constexprnoexcept

Return an rvalue reference to the ith element of a tuple rvalue.

Definition at line 1305 of file tuple.

◆ get() [6/8]

template<std::size_t __i, typename... _Elements>
constexpr __tuple_element_t<__i, tuple<_Elements...> >& std::get ( tuple< _Elements... > &  __t)
constexprnoexcept

Return a reference to the ith element of a tuple.

Definition at line 1293 of file tuple.

◆ get() [7/8]

template<typename _Tp , typename... _Types>
constexpr _Tp&& std::get ( tuple< _Types... > &&  __t)
constexprnoexcept

Return a reference to the unique element of type _Tp of a tuple rvalue.

Definition at line 1343 of file tuple.

◆ get() [8/8]

template<typename _Tp , typename... _Types>
constexpr _Tp& std::get ( tuple< _Types... > &  __t)
constexprnoexcept

Return a reference to the unique element of type _Tp of a tuple.

Definition at line 1337 of file tuple.

◆ make_pair()

template<typename _T1 , typename _T2 >
constexpr pair< typename __decay_and_strip< _T1 >::__type, typename __decay_and_strip< _T2 >::__type > make_pair ( _T1 &&  __x,
_T2 &&  __y 
)
related

A convenience wrapper for creating a pair from two objects.

Parameters
__xThe first object.
__yThe second object.
Returns
A newly-constructed pair<> object of the appropriate type.

The C++98 standard says the objects are passed by reference-to-const, but C++03 says they are passed by value (this was LWG issue #181).

Since C++11 they have been passed by forwarding reference and then forwarded to the new members of the pair. To create a pair with a member of reference type, pass a reference_wrapper to this function.

Definition at line 566 of file stl_pair.h.

◆ move()

◆ move_if_noexcept()

template<typename _Tp >
constexpr conditional<__move_if_noexcept_cond<_Tp>::value, const _Tp&, _Tp&&>::type std::move_if_noexcept ( _Tp &  __x)
constexprnoexcept

Conditionally convert a value to an rvalue.

Parameters
__xA thing of arbitrary type.
Returns
The parameter, possibly cast to an rvalue-reference.

Same as std::move unless the type's move constructor could throw and the type is copyable, in which case an lvalue-reference is returned instead.

Definition at line 121 of file move.h.

References std::move().

◆ operator!=()

template<typename _T1 , typename _T2 >
constexpr bool operator!= ( const pair< _T1, _T2 > &  __x,
const pair< _T1, _T2 > &  __y 
)
related

Uses operator== to find the result.

Definition at line 495 of file stl_pair.h.

◆ operator<()

template<typename _T1 , typename _T2 >
constexpr bool operator< ( const pair< _T1, _T2 > &  __x,
const pair< _T1, _T2 > &  __y 
)
related

Defines a lexicographical order for pairs.

For two pairs of the same type, P is ordered before Q if P.first is less than Q.first, or if P.first and Q.first are equivalent (neither is less than the other) and P.second is less than Q.second.

Definition at line 488 of file stl_pair.h.

◆ operator<=()

template<typename _T1 , typename _T2 >
constexpr bool operator<= ( const pair< _T1, _T2 > &  __x,
const pair< _T1, _T2 > &  __y 
)
related

Uses operator< to find the result.

Definition at line 507 of file stl_pair.h.

◆ operator==()

template<typename _T1 , typename _T2 >
constexpr bool operator== ( const pair< _T1, _T2 > &  __x,
const pair< _T1, _T2 > &  __y 
)
related

Two pairs of the same type are equal iff their members are equal.

Definition at line 465 of file stl_pair.h.

◆ operator>()

template<typename _T1 , typename _T2 >
constexpr bool operator> ( const pair< _T1, _T2 > &  __x,
const pair< _T1, _T2 > &  __y 
)
related

Uses operator< to find the result.

Definition at line 501 of file stl_pair.h.

◆ operator>=()

template<typename _T1 , typename _T2 >
constexpr bool operator>= ( const pair< _T1, _T2 > &  __x,
const pair< _T1, _T2 > &  __y 
)
related

Uses operator< to find the result.

Definition at line 513 of file stl_pair.h.

◆ swap() [1/5]

template<typename _Tp >
constexpr enable_if<__and_<__not_<__is_tuple_like<_Tp> >, is_move_constructible<_Tp>, is_move_assignable<_Tp> >::value>::type std::swap ( _Tp &  __a,
_Tp &  __b 
)
inlineconstexprnoexcept

Swaps two values.

Parameters
__aA thing of arbitrary type.
__bAnother thing of arbitrary type.
Returns
Nothing.

Definition at line 189 of file move.h.

◆ swap() [2/5]

template<typename _Tp , size_t _Nm>
constexpr enable_if<__is_swappable<_Tp>::value>::type std::swap ( _Tp(&)  __a[_Nm],
_Tp(&)  __b[_Nm] 
)
inlineconstexprnoexcept

Swap the contents of two arrays.

Definition at line 213 of file move.h.

◆ swap() [3/5]

template<typename _T1 , typename _T2 >
constexpr void std::pair< _T1, _T2 >::swap ( pair< _T1, _T2 > &  __p)
inlineconstexprnoexcept

Swap the first members and then the second members.

Definition at line 438 of file stl_pair.h.

Referenced by std::pair< _BiIter, _BiIter >::swap().

◆ swap() [4/5]

template<typename _T1 , typename _T2 >
constexpr enable_if< __and_< __is_swappable< _T1 >, __is_swappable< _T2 > >::value >::type swap ( pair< _T1, _T2 > &  __x,
pair< _T1, _T2 > &  __y 
)
related

Swap overload for pairs. Calls std::pair::swap().

Note
This std::swap overload is not declared in C++03 mode, which has performance implications, e.g. see https://gcc.gnu.org/PR38466

Definition at line 532 of file stl_pair.h.

◆ swap() [5/5]

template<typename... _Elements>
constexpr enable_if<__and_<__is_swappable<_Elements>...>::value >::type std::swap ( tuple< _Elements... > &  __x,
tuple< _Elements... > &  __y 
)
inlineconstexprdeletenoexcept

swap

Definition at line 1628 of file tuple.

◆ tie()

template<typename... _Elements>
constexpr tuple<_Elements&...> std::tie ( _Elements &...  __args)
constexprnoexcept

tie

Definition at line 1614 of file tuple.

Referenced by std::basic_ios< _CharT, _Traits >::copyfmt().

◆ tuple_cat()

template<typename... _Tpls, typename = typename enable_if<__and_<__is_tuple_like<_Tpls>...>::value>::type>
constexpr auto std::tuple_cat ( _Tpls &&...  __tpls) -> typename __tuple_cat_result<_Tpls...>::__type
constexpr

tuple_cat

Definition at line 1600 of file tuple.

Variable Documentation

◆ first

◆ piecewise_construct

constexpr piecewise_construct_t std::piecewise_construct
inlineconstexpr

Tag for piecewise construction of std::pair objects.

Definition at line 82 of file stl_pair.h.

◆ second

template<typename _T1 , typename _T2 >
_T2 std::pair< _T1, _T2 >::second