The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
std::allocator<T>::construct – std::allocator<T>::construct Synopsis Defined in header <memory> void construct( pointer p, const_reference val ); (1) (until C++11) template< class U, class… Args > (since C++11) void construct( U* p, Args&&… args ); (2) (deprecated in C++17) (removed in C++20) Constructs an object of type T in allocated uninitialized storage pointed to by p, using…
std::allocator<T>::~allocator – std::allocator<T>::~allocator Synopsis ~allocator(); Destroys the default allocator.
std::allocator<T>::allocate – std::allocator<T>::allocate Synopsis pointer allocate(size_type n, const void *hint = 0); (1)(until C++ 17)(since C++ 17) T *allocate(std::size_t n, const void *hint); (1)(deprecated)(removed in C++ 20) T *allocate(std::size_t n); (since C++ 17)(2)(until C++ 20) [[nodiscard]] T *allocate(std::size_t n); (since C++ 20) Allocates n * sizeof(T) bytes of uninitialized storage by calling ::operator_new(std::size_t) or ::operator_new(std::size_t,…
std::allocator<T>::address – std::allocator<T>::address Synopsis pointer address( reference x ) const; (deprecated in C++17) (removed in C++20) const_pointer address( const_reference x ) const; (deprecated in C++17) (removed in C++20) Returns the actual address of x even in presence of overloaded operator&. Parameters x – the object to acquire address of Return value The actual address of…
std::allocator – std::allocator Synopsis Defined in header <memory> template< class T > (1) struct allocator; template<> (2) (deprecated in C++17) struct allocator<void>; (removed in C++20) The std::allocator class template is the default Allocator used by all standard library containers if no user-specified allocator is provided. The default allocator is stateless, that is, all instances of…
std::allocate_shared,std::allocate_shared_default_init – std::allocate_shared,std::allocate_shared_default_init Synopsis Defined in header <memory> template< class T, class Alloc, class… Args > (1) (since C++11) shared_ptr<T> allocate_shared( const Alloc& alloc, Args&&… args ); (T is non-array) template< class T, class Alloc > (2) (since C++20) shared_ptr<T> allocate_shared( const Alloc& alloc, std::size_t N ); (T is U[]) template< class T, class Alloc…
std::all_of,std::any_of,std::none_of – std::all_of,std::any_of,std::none_of Synopsis Defined in header <algorithm> template< class InputIt, class UnaryPredicate > (since C++11) bool all_of( InputIt first, InputIt last, UnaryPredicate p ); (until C++20) template< class InputIt, class UnaryPredicate > (since C++20) constexpr bool all_of( InputIt first, InputIt last, UnaryPredicate p ); template< class ExecutionPolicy, class ForwardIt, class UnaryPredicate > (2) (since…
std::alignment_of – std::alignment_of Synopsis Defined in header<type_traits> template <class T> (since C++ 11) struct alignment_of; Provides the member constant value equal to the alignment_requirement of the type T, as if obtained by an alignof expression. If T is an array type, returns the alignment requirements of the element type. If T is a reference type,…
std::aligned_union – std::aligned_union Synopsis Defined in header<type_traits> template <std::size_t Len, class… Types> (since C++ 11) struct aligned_union; Provides the nested type type, which is a trivial standard-layout type of a size and alignment suitable for use as uninitialized storage for an object of any of the types listed in Types. The size of the storage…
std::aligned_storage – std::aligned_storage Synopsis Defined in header<type_traits> template <std::size_t Len, std::size_t Align = /*default-alignment*/> (since C++ 11) struct aligned_storage; Provides the nested type type, which is a trivial standard-layout type suitable for use as uninitialized storage for any object whose size is at most Len and whose alignment_requirement is a divisor of Align. The default…
std::aligned_alloc – std::aligned_alloc Synopsis Defined in header <cstdlib> void* aligned_alloc( std::size_t alignment, std::size_t size ); (since C++17) Allocate size bytes of uninitialized storage whose alignment is specified by alignment. The size parameter must be an integral multiple of alignment. The following functions are required to be thread-safe: * The library versions of operator_new and operator_delete…
std::align_val_t – std::align_val_t Synopsis Defined in header <new> enum class align_val_t : std::size_t {}; (since C++17) Both new-expression and delete-expression, when used with objects whose alignment requirement is greater than __STDCPP_DEFAULT_NEW_ALIGNMENT__, pass that alignment requirement as an argument of type std::align_val_t to the selected allocation/deallocation function. Notes Alignment (as obtained by alignof) has the type…
std::align – std::align Synopsis Defined in header<memory> void *align(std::size_t alignment, std::size_t size, (since C++ 11) void *&ptr, std::size_t &space); Given a pointer ptr to a buffer of size space, returns a pointer aligned by the specified alignment for size number of bytes and decreases space argument by the number of bytes used for alignment. The…
std::advance – std::advance Synopsis Defined in header<iterator> template <class InputIt, class Distance> (until C++ 17) void advance(InputIt &it, Distance n); template <class InputIt, class Distance> (since C++ 17) constexpr void advance(InputIt &it, Distance n); Increments given iterator it by n elements. If n is negative, the iterator is decremented. In this case, InputIt must meet…
std::adjacent_find – std::adjacent_find Synopsis Defined in header <algorithm> template< class ForwardIt > (until C++20) ForwardIt adjacent_find( ForwardIt first, ForwardIt last ); template< class ForwardIt > (since C++20) constexpr ForwardIt adjacent_find( ForwardIt first, ForwardIt last ); template< class ExecutionPolicy, class ForwardIt > ForwardIt adjacent_find( ExecutionPolicy&& policy, (2) (since C++17) ForwardIt first, ForwardIt last ); (1) template<…
std::adjacent_difference – std::adjacent_difference Synopsis Defined in header<numeric> template <class InputIt, class OutputIt> OutputIt adjacent_difference(InputIt first, InputIt last, (until C++ 20) OutputIt d_first); template <class InputIt, class OutputIt> constexpr OutputIt adjacent_difference(InputIt first, InputIt last, (since C++ 20) OutputIt d_first); template <class ExecutionPolicy, class ForwardIt1, class ForwardIt2> ForwardIt2 adjacent_difference(ExecutionPolicy &&policy, ForwardIt1 first, ForwardIt1 last, (2)(since C++ 17)…
std::addressof – std::addressof Synopsis Defined in header<memory> template <class T> (since C++ 11) T *addressof(T &arg) noexcept; (until C++ 17) template <class T> (1)(since C++ 17) constexpr T *addressof(T &arg) noexcept; template <class T> (2)(since C++ 17) const T *addressof(const T &&) = delete; 1) Obtains the actual address of the object or function arg,…
std::add_volatile< _Tp > – Synopsis Public Types typedef _Tp volatile type Detailed Description template<typename _Tp>struct std::add_volatile< _Tp > add_volatile Definition at line 1358 of file type_traits. Author Generated automatically by Doxygen for libstdc++ from the source code.
std::add_rvalue_reference< typename > – Synopsis Inherits std::__add_rvalue_reference_helper< _Tp, bool >. Public Types typedef _Tp type Detailed Description template<typename>struct std::add_rvalue_reference< typename > add_rvalue_reference Definition at line 583 of file type_traits. Author Generated automatically by Doxygen for libstdc++ from the source code.
std::add_pointer – std::add_pointer Synopsis Defined in header<type_traits> template <class T> (since C++ 11) struct add_pointer; If T is a reference type, then provides the member typedef type which is a pointer to the referred type. Otherwise, if T names an object type, a function type that is not cv- or ref-qualified, or a (possibly cv-qualified)…