Linux Manuals

std::make_shared,std::make_shared_default_init – std::make_shared,std::make_shared_default_init Synopsis Defined in header <memory> template< class T, class… Args > (1) (since C++11) shared_ptr<T> make_shared( Args&&… args ); (T is not array) template<class T> (2) (since C++20) shared_ptr<T> make_shared( std::size_t N ); (T is U[]) template<class T> (3) (since C++20) shared_ptr<T> make_shared(); (T is U[N]) template<class T> (4) (since C++20) shared_ptr<T>…

std::make_reverse_iterator – std::make_reverse_iterator Synopsis Defined in header <iterator> template <class Iter> (since C++14) std::reverse_iterator<Iter> make_reverse_iterator( Iter i ); (until C++17) template <class Iter> (since C++17) constexpr std::reverse_iterator<Iter> make_reverse_iterator( Iter i ); make_reverse_iterator is a convenience function template that constructs a std::reverse_iterator for the given iterator i with the type deduced from the type of the…

std::make_pair – std::make_pair Synopsis Defined in header <utility> template< class T1, class T2 > (until C++11) std::pair<T1,T2> make_pair( T1 t, T2 u ); template< class T1, class T2 > (since C++11) std::pair<V1,V2> make_pair( T1&& t, T2&& u ); (until C++14) template< class T1, class T2 > (since C++14) constexpr std::pair<V1,V2> make_pair( T1&& t, T2&& u…

std::make_optional – std::make_optional Synopsis Defined in header<optional> template <class T> (1)(since C++ 17) constexpr std::optional<std::decay_t<T>> make_optional(T &&value); template <class T, class… Args> (2)(since C++ 17) constexpr std::optional<T> make_optional(Args &&…args); template <class T, class U, class… Args> (3)(since C++ 17) constexpr std::optional<T> make_optional(std::initializer_list<U> il, Args &&…args); 1) Creates an optional object from value. Effectively calls std::optional<std::decay_t<T>>(std::forward<T>(value))…

std::make_obj_using_allocator – std::make_obj_using_allocator Synopsis Defined in header <memory> template< class T, class Alloc, class… Args > (since C++20) T make_obj_using_allocator( const Alloc& alloc, Args&&… args ) Creates an object of the given type T by means of uses-allocator_construction Equivalent to return std::make_from_tuple<T>( std::uses_allocator_construction_args<T>(alloc, std::forward<Args>(args)…) ); Parameters alloc – the allocator to use. args – the…

std::make_move_iterator – std::make_move_iterator Synopsis Defined in header<iterator> template <class Iter> (since C++ 11) std::move_iterator<Iter> make_move_iterator(const Iter &i); (until C++ 14) template <class Iter> (since C++ 14) std::move_iterator<Iter> make_move_iterator(Iter i); (until C++ 17) template <class Iter> (since C++ 17) constexpr std::move_iterator<Iter> make_move_iterator(Iter i); make_move_iterator is a convenience function template that constructs a std::move_iterator for the given…

std::make_heap – std::make_heap Synopsis Defined in header<algorithm> template <class RandomIt> (until C++ 20) void make_heap(RandomIt first, RandomIt last); template <class RandomIt> (since C++ 20) constexpr void make_heap(RandomIt first, RandomIt last); template <class RandomIt, class Compare> (1) void make_heap(RandomIt first, RandomIt last, (until C++ 20) Compare comp); (2) template <class RandomIt, class Compare> constexpr void make_heap(RandomIt…

std::make_from_tuple – std::make_from_tuple Synopsis Defined in header <tuple> template <class T, class Tuple> (since C++17) constexpr T make_from_tuple(Tuple&& t); Construct an object of type T, using the elements of the tuple t as the arguments to the constructor. Parameters t – tuple whose elements to be used as arguments to the constructor of T Return…

std::make_exception_ptr – std::make_exception_ptr Synopsis Defined in header <exception> template< class E > (since C++11) std::exception_ptr make_exception_ptr( E e ) noexcept; Creates an std::exception_ptr that holds a reference to a copy of e. This is done as if executing the following code: try { throw e; } catch (…) { return std::current_exception(); } Parameters (none) Return…

std::make_error_condition(std::io_errc) – std::make_error_condition(std::io_errc) Synopsis Defined in header <ios> std::error_condition make_error_condition( std::io_errc e ) noexcept; (since C++11) Constructs an std::error_condition object from a value of type std::io_errc as if by return std::error_condition(static_cast<int>(e), std::iostream_category()). Parameters e – error code number Return value A value of type std::error_condition that holds the error code number from e associated with…

std::make_error_condition(std::future_errc) – std::make_error_condition(std::future_errc) Synopsis Defined in header <future> std::error_condition make_error_condition( std::future_errc e ); (since C++11) Constructs an std::error_condition object from a value of type std::future_errc as if by: std::error_condition(static_cast<int>(e), std::future_category()). Parameters e – error code number Return value A value of type std::error_condition that holds the error code number from e associated with the error…

std::make_error_condition(std::errc) – std::make_error_condition(std::errc) Synopsis Defined in header <system_error> std::error_condition make_error_condition( std::errc e ) noexcept; (since C++11) Creates an error condition for an errc value e. Sets the error code to int(e) and error category to std::generic_category. Parameters e – standard error code Return value Error condition for e. Example // Run this code #include <system_error>…

std::make_error_code(std::io_errc) – std::make_error_code(std::io_errc) Synopsis Defined in header <ios> std::error_code make_error_code( std::io_errc e ) noexcept; (since C++11) Constructs an std::error_code object from a value of type std::io_errc as if by return std::error_code(static_cast<int>(e), std::iostream_category()). This function is called by the constructor of std::error_code when given an std::io_errc argument. Parameters e – error code number Return value A…

std::make_error_code(std::future_errc) – std::make_error_code(std::future_errc) Synopsis Defined in header <future> std::error_code make_error_code( std::future_errc e ); (since C++11) Constructs an std::error_code object from a value of type std::future_errc as if by: std::error_code(static_cast<int>(e), std::future_category()). This function is called by the constructor of std::error_code when given an std::future_errc argument. Parameters e – error code number Return value A value of…

std::make_error_code(std::errc) – std::make_error_code(std::errc) Synopsis Defined in header <system_error> std::error_code make_error_code( std::errc e ) noexcept; (since C++11) Creates error code value for errc enum e. Equivalent to std::error_code(static_cast<int>(e), std::generic_category()) Parameters e – error code enum to create error code for Return value Error code corresponding to e.

std::make_any – std::make_any Synopsis template <class T, class… Args> (1)(since C++ 17) std::any make_any(Args &&…args); template <class T, class U, class… Args> (2)(since C++ 17) std::any make_any(std::initializer_list<U> il, Args &&…args); Constructs an any object containing an object of type T, passing the provided arguments to T’s constructor. 1) Equivalent to return std::any(std::in_place_type<T>, std::forward<Args>(args)…); 2) Equivalent…

std::lower_bound – std::lower_bound Synopsis Defined in header<algorithm> template <class ForwardIt, class T> (until C++ 20) ForwardIt lower_bound(ForwardIt first, ForwardIt last, const T &value); template <class ForwardIt, class T> (since C++ 20) constexpr ForwardIt lower_bound(ForwardIt first, ForwardIt last, const T &value); (1) template <class ForwardIt, class T, class Compare> (until C++ 20) ForwardIt lower_bound(ForwardIt first, ForwardIt…

std::longjmp – std::longjmp Synopsis Defined in header <csetjmp> void longjmp( std::jmp_buf env, int status ); (until C++17) [[noreturn]] void longjmp( std::jmp_buf env, int status ); (since C++17) Loads the execution context env saved by a previous call to setjmp. This function does not return. Control is transferred to the call site of the macro setjmp…

std::lognormal_distribution< _RealType >::param_type – Synopsis Public Types typedef lognormal_distribution < _RealType > distribution_type" Public Member Functions param_type (_RealType __m=_RealType(0), _RealType __s=_RealType(1)) _RealType m () const _RealType s () const Friends bool operator== (const param_type &__p1, const param_type &__p2) Detailed Description template<typename _RealType = double>struct std::lognormal_distribution< _RealType >::param_type Parameter type. Definition at line 2307 of file…

std::lognormal_distribution<RealType>::reset – std::lognormal_distribution<RealType>::reset Synopsis void reset(); (since C++ 11) Resets the internal state of the distribution object. After a call to this function, the next call to operator() on the distribution object will not be dependent on previous calls to operator(). Parameters (none) Return value (none) Complexity Constant.