std::merge – std::merge Synopsis Defined in header <algorithm> template< class InputIt1, class InputIt2, class OutputIt > OutputIt merge( InputIt1 first1, InputIt1 last1, (until C++20) InputIt2 first2, InputIt2 last2, OutputIt d_first ); template< class InputIt1, class InputIt2, class OutputIt > constexpr OutputIt merge( InputIt1 first1, InputIt1 last1, (since C++20) InputIt2 first2, InputIt2 last2, OutputIt d_first );…
std::memset – std::memset Synopsis Defined in header<cstring> void *memset(void *dest, int ch, std::size_t count); Converts the value ch to unsigned char and copies it into each of the first count characters of the object pointed to by dest. If the object is a potentially-overlapping_subobject or is not TriviallyCopyable (e.g., scalar, C-compatible struct, or an array…
std::memory_order – std::memory_order Synopsis Defined in header <atomic> typedef enum memory_order { memory_order_relaxed, memory_order_consume, memory_order_acquire, (since C++11) memory_order_release, (until C++20) memory_order_acq_rel, memory_order_seq_cst } memory_order; enum class memory_order : /*unspecified*/ { relaxed, consume, acquire, release, acq_rel, seq_cst }; inline constexpr memory_order memory_order_relaxed = memory_order::relaxed; inline constexpr memory_order memory_order_consume = memory_order::consume; (since C++20) inline constexpr memory_order memory_order_acquire…
std::memmove – std::memmove Synopsis Defined in header<cstring> void *memmove(void *dest, const void *src, std::size_t count); Copies count characters from the object pointed to by src to the object pointed to by dest. Both objects are reinterpreted as arrays of unsigned char. The objects may overlap: copying takes place as if the characters were copied to…
std::memcpy – std::memcpy Synopsis Defined in header<cstring> void *memcpy(void *dest, const void *src, std::size_t count); Copies count bytes from the object pointed to by src to the object pointed to by dest. Both objects are reinterpreted as arrays of unsigned char. If the objects overlap, the behavior is undefined. If either dest or src is…
std::memcmp – std::memcmp Synopsis Defined in header<cstring> int memcmp(const void *lhs, const void *rhs, std::size_t count); Reinterprets the objects pointed to by lhs and rhs as arrays of unsigned char and compares the first count characters of these arrays. The comparison is done lexicographically. The sign of the result is the sign of the difference…
std::memchr – std::memchr Synopsis Defined in header<cstring> const void *memchr(const void *ptr, int ch, std::size_t count); void *memchr(void *ptr, int ch, std::size_t count); Converts ch to unsigned char and locates the first occurrence of that value in the initial count characters (each interpreted as unsigned char) of the object pointed to by ptr. This function…
std::mem_fun_t,std::mem_fun1_t,std::const_mem_fun_t,std::const_mem_fun1_t – std::mem_fun_t,std::mem_fun1_t,std::const_mem_fun_t,std::const_mem_fun1_t Synopsis template <class S, class T> class mem_fun_t : public unary_function<T *, S> { public: (1)(deprecated in C++ 11) explicit mem_fun_t(S (T::*p)()); (removed in C++ 17) S operator()(T *p) const; }; template <class S, class T> class const_mem_fun_t : public unary_function<const T *, S> { public: (2)(deprecated in C++ 11) explicit const_mem_fun_t(S…
std::mem_fun_ref_t,std::mem_fun1_ref_t,std::const_mem_fun_ref_t,std::const_mem_fun1_ref_t – std::mem_fun_ref_t,std::mem_fun1_ref_t,std::const_mem_fun_ref_t,std::const_mem_fun1_ref_t Synopsis template <class S, class T> class mem_fun_ref_t : public unary_function<T, S> { public: (1)(deprecated in C++ 11) explicit mem_fun_ref_t(S (T::*p)()); (removed in C++ 17) S operator()(T &p) const; }; template <class S, class T> class const_mem_fun_ref_t : public unary_function<T, S> { public: (2)(deprecated in C++ 11) explicit const_mem_fun_ref_t(S (T::*p)() const); (removed…
std::mem_fun_ref_t,std::mem_fun1_ref_t,std::const_mem_fun_ref_t, – std::mem_fun_ref_t,std::mem_fun1_ref_t,std::const_mem_fun_ref_t, Synopsis template< class S, class T > class mem_fun_ref_t : public unary_function<T, S> { public: (1)(deprecated in C++ 11) explicit mem_fun_ref_t(S (T::*p)()); (removed in C++ 17) S operator()(T &p) const; }; template <class S, class T> class const_mem_fun_ref_t : public unary_function<T, S> { public: (2)(deprecated in C++ 11) explicit const_mem_fun_ref_t(S (T::*p)() const); (removed in…
std::mem_fun_ref – std::mem_fun_ref Synopsis Defined in header <functional> template< class Res, class T > (1) (deprecated in C++11) std::mem_fun_ref_t<Res,T> mem_fun_ref( Res (T::*f)() ); (removed in C++17) template< class Res, class T > (1) (deprecated in C++11) std::const_mem_fun_ref_t<Res,T> mem_fun_ref( Res (T::*f)() ); (removed in C++17) template< class Res, class T, class Arg > (2) (deprecated in…
std::mem_fun – std::mem_fun Synopsis Defined in header <functional> template< class Res, class T > (1) (deprecated in C++11) std::mem_fun_t<Res,T> mem_fun( Res (T::*f)() ); (removed in C++17) template< class Res, class T > (1) (deprecated in C++11) std::const_mem_fun_t<Res,T> mem_fun( Res (T::*f)() ); (removed in C++17) template< class Res, class T, class Arg > (2) (deprecated in…
std::mem_fn – std::mem_fn Synopsis Defined in header <functional> template< class M, class T > (since C++11) /*unspecified*/ mem_fn(M T::* pm); (until C++17) template< class M, class T > (since C++17) /*unspecified*/ mem_fn(M T::* pm) noexcept; Function template std::mem_fn generates wrapper objects for pointers to members, which can store, copy, and invoke a pointer to member….
std::mbstowcs – std::mbstowcs Synopsis Defined in header<cstdlib> std::size_t mbstowcs(wchar_t *dst, const char *src, std::size_t len); Converts a multibyte character string from the array whose first element is pointed to by src to its wide character representation. Converted characters are stored in the successive elements of the array pointed to by dst. No more than len…
std::mbstate_t – std::mbstate_t Synopsis Defined in header<cuchar>(since C++ 17) Defined in header<cwchar> struct mbstate_t; The type mbstate_t is a trivial non-array type that can represent any of the conversion states that can occur in an implementation-defined set of supported multibyte character encoding rules. Zero-initialized value of mbstate_t represents the initial conversion state, although other values…
std::mbsrtowcs – std::mbsrtowcs Synopsis Defined in header<cwchar> std::size_t mbsrtowcs(wchar_t *dst, const char **src, std::size_t len, std::mbstate_t *ps); Converts a null-terminated multibyte character sequence, which begins in the conversion state described by *ps, from the array whose first element is pointed to by *src to its wide character representation. If dst is not null, converted characters…
std::mbsinit – std::mbsinit Synopsis Defined in header<cwchar> int mbsinit(const std::mbstate_t *ps); If ps is not a null pointer, the mbsinit function determines whether the pointed-to std::mbstate_t object describes the initial conversion state. Notes Although a zero-initialized std::mbstate_t always represents the initial conversion state, there may be other values of std::mbstate_t that also represent the initial…
std::mbrtoc8 – std::mbrtoc8 Synopsis Defined in header<cuchar> std::size_t mbrtoc8(char8_t *pc8, const char *s, (since C++ 20) std::size_t n, std::mbstate_t *ps); Converts a narrow multibyte character to UTF-8 encoding. If s is not a null pointer, inspects at most n bytes of the multibyte character string, beginning with the byte pointed to by s to determine…
std::mbrtoc32 – std::mbrtoc32 Synopsis Defined in header<cuchar> std::size_t mbrtoc32(char32_t *pc32, const char *s, (since C++ 11) std::size_t n, std::mbstate_t *ps); Converts a narrow multibyte character to its UTF-32 character representation. If s is not a null pointer, inspects at most n bytes of the multibyte character string, beginning with the byte pointed to by s…
std::mbrtoc16 – std::mbrtoc16 Synopsis Defined in header<cuchar> std::size_t mbrtoc16(char16_t *pc16, const char *s, (since C++ 11) std::size_t n, std::mbstate_t *ps); Converts a narrow multibyte character to UTF-16 character representation. If s is not a null pointer, inspects at most n bytes of the multibyte character string, beginning with the byte pointed to by s to…