mdbx::buffer< ALLOCATOR, CAPACITY_POLICY > Class Template Reference

The chunk of data stored inside the buffer or located outside it. More...

#include <mdbx.h++>

Public Types
enum	: size_t { max_length = MDBX_MAXDATASIZE, max_capacity = (max_length / 3u * 4u + 1023u) & ~size_t(1023), extra_inplace_storage = reservation_policy::extra_inplace_storage, pettiness_threshold = reservation_policy::pettiness_threshold }
using	allocator_type = typename ::std::allocator_traits< ALLOCATOR >::template rebind_alloc< uint64_t >
using	allocator_traits = ::std::allocator_traits< allocator_type >
using	reservation_policy = CAPACITY_POLICY

Public Member Functions
MDBX_CXX20_CONSTEXPR allocator_type	get_allocator () const
	Returns the associated allocator. More...
MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR bool	is_freestanding () const noexcept
	Checks whether data chunk stored inside the buffer, otherwise buffer just refers to data located outside the buffer. More...
MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR bool	is_reference () const noexcept
	Checks whether the buffer just refers to data located outside the buffer, rather than stores it. More...
MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR size_t	capacity () const noexcept
	Returns the number of bytes that can be held in currently allocated storage. More...
MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR size_t	headroom () const noexcept
	Returns the number of bytes that available in currently allocated storage ahead the currently beginning of data. More...
MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR size_t	tailroom () const noexcept
	Returns the number of bytes that available in currently allocated storage after the currently data end. More...
const MDBX_CXX11_CONSTEXPR byte *	byte_ptr () const noexcept
	Returns casted to const pointer to byte an address of data. More...
const MDBX_CXX11_CONSTEXPR byte *	end_byte_ptr () const noexcept
	Returns casted to const pointer to byte an end of data. More...
MDBX_CXX11_CONSTEXPR byte *	byte_ptr () noexcept
	Returns casted to pointer to byte an address of data. More...
MDBX_CXX11_CONSTEXPR byte *	end_byte_ptr () noexcept
	Returns casted to pointer to byte an end of data. More...
const MDBX_CXX11_CONSTEXPR char *	char_ptr () const noexcept
	Returns casted to const pointer to char an address of data. More...
const MDBX_CXX11_CONSTEXPR char *	end_char_ptr () const noexcept
	Returns casted to const pointer to char an end of data. More...
MDBX_CXX11_CONSTEXPR char *	char_ptr () noexcept
	Returns casted to pointer to char an address of data. More...
MDBX_CXX11_CONSTEXPR char *	end_char_ptr () noexcept
	Returns casted to pointer to char an end of data. More...
const MDBX_CXX11_CONSTEXPR void *	data () const noexcept
	Return a const pointer to the beginning of the referenced data. More...
const MDBX_CXX11_CONSTEXPR void *	end () const noexcept
	Return a const pointer to the end of the referenced data. More...
MDBX_CXX11_CONSTEXPR void *	data () noexcept
	Return a pointer to the beginning of the referenced data. More...
MDBX_CXX11_CONSTEXPR void *	end () noexcept
	Return a pointer to the end of the referenced data. More...
MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX14_CONSTEXPR size_t	length () const noexcept
	Returns the number of bytes. More...
MDBX_CXX14_CONSTEXPR buffer &	set_length (size_t bytes)
	Set length of data. More...
MDBX_CXX14_CONSTEXPR buffer &	set_end (const void *ptr)
	Sets the length by specifying the end of the data. More...
void	make_freestanding ()
	Makes buffer owning the data. More...
MDBX_CXX20_CONSTEXPR	buffer () noexcept=default
MDBX_CXX20_CONSTEXPR	buffer (const allocator_type &allocator) noexcept
	buffer (const struct slice &src, bool make_reference, const allocator_type &allocator=allocator_type())
	buffer (const buffer &src, bool make_reference, const allocator_type &allocator=allocator_type())
	buffer (const void *ptr, size_t bytes, bool make_reference, const allocator_type &allocator=allocator_type())
template<class CHAR , class T , class A >
	buffer (const ::std::basic_string< CHAR, T, A > &)=delete
template<class CHAR , class T , class A >
	buffer (const ::std::basic_string< CHAR, T, A > &&)=delete
	buffer (const char *c_str, bool make_reference, const allocator_type &allocator=allocator_type())
template<class CHAR , class T >
	buffer (const ::std::basic_string_view< CHAR, T > &view, bool make_reference, const allocator_type &allocator=allocator_type())
MDBX_CXX20_CONSTEXPR	buffer (const struct slice &src, const allocator_type &allocator=allocator_type())
MDBX_CXX20_CONSTEXPR	buffer (const buffer &src, const allocator_type &allocator=allocator_type())
MDBX_CXX20_CONSTEXPR	buffer (const void *ptr, size_t bytes, const allocator_type &allocator=allocator_type())
template<class CHAR , class T , class A >
MDBX_CXX20_CONSTEXPR	buffer (const ::std::basic_string< CHAR, T, A > &str, const allocator_type &allocator=allocator_type())
MDBX_CXX20_CONSTEXPR	buffer (const char *c_str, const allocator_type &allocator=allocator_type())
template<class CHAR , class T >
MDBX_CXX20_CONSTEXPR	buffer (const ::std::basic_string_view< CHAR, T > &view, const allocator_type &allocator=allocator_type())
	buffer (size_t head_room, size_t tail_room, const allocator_type &allocator=allocator_type())
	buffer (size_t capacity, const allocator_type &allocator=allocator_type())
	buffer (size_t head_room, const struct slice &src, size_t tail_room, const allocator_type &allocator=allocator_type())
	buffer (size_t head_room, const buffer &src, size_t tail_room, const allocator_type &allocator=allocator_type())
	buffer (const ::mdbx::txn &txn, const struct slice &src, const allocator_type &allocator=allocator_type())
	buffer (buffer &&src) noexcept(move_assign_alloc::is_nothrow())
MDBX_CXX11_CONSTEXPR const struct slice &	slice () const noexcept
MDBX_CXX11_CONSTEXPR	operator const struct slice & () const noexcept
void	reserve (size_t wanna_headroom, size_t wanna_tailroom)
	Reserves storage space. More...
void	reserve_headroom (size_t wanna_headroom)
	Reserves space before the payload. More...
void	reserve_tailroom (size_t wanna_tailroom)
	Reserves space after the payload. More...
buffer &	assign_reference (const void *ptr, size_t bytes)
buffer &	assign_freestanding (const void *ptr, size_t bytes)
MDBX_CXX20_CONSTEXPR void	swap (buffer &other) noexcept(swap_alloc::is_nothrow())
buffer &	assign (const buffer &src, bool make_reference=false)
buffer &	assign (const void *ptr, size_t bytes, bool make_reference=false)
buffer &	assign (const struct slice &src, bool make_reference=false)
buffer &	assign (const ::MDBX_val &src, bool make_reference=false)
buffer &	assign (struct slice &&src, bool make_reference=false)
buffer &	assign (::MDBX_val &&src, bool make_reference=false)
buffer &	assign (const void *begin, const void *end, bool make_reference=false)
template<class CHAR , class T , class A >
buffer &	assign (const ::std::basic_string< CHAR, T, A > &str, bool make_reference=false)
buffer &	assign (const char *c_str, bool make_reference=false)
buffer &	operator= (const buffer &src)
buffer &	operator= (buffer &&src) noexcept(move_assign_alloc::is_nothrow())
buffer &	operator= (const struct slice &src)
buffer &	operator= (struct slice &&src)
template<class CHAR , class T >
buffer &	operator= (const ::std::basic_string_view< CHAR, T > &view) noexcept
template<class CHAR = char, class T = ::std::char_traits<CHAR>>
::std::basic_string_view< CHAR, T >	string_view () const noexcept
	Return a string_view that references the data of this buffer. More...
template<class CHAR , class T >
	operator::std::basic_string_view () const noexcept
	Return a string_view that references the data of this buffer. More...
MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR bool	empty () const noexcept
	Checks whether the string is empty. More...
MDBX_CXX11_CONSTEXPR bool	is_null () const noexcept
	Checks whether the data pointer of the buffer is nullptr. More...
MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR size_t	size () const noexcept
	Returns the number of bytes. More...
MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX14_CONSTEXPR size_t	hash_value () const noexcept
	Returns the hash value of the data. More...
template<class CHAR = char, class T = ::std::char_traits<CHAR>, class A = legacy_allocator>
MDBX_CXX20_CONSTEXPR ::std::basic_string< CHAR, T, A >	as_string (const A &allocator=A()) const
template<class CHAR , class T , class A >
MDBX_CXX20_CONSTEXPR	operator::std::basic_string () const
MDBX_NOTHROW_PURE_FUNCTION bool	starts_with (const struct slice &prefix) const noexcept
	Checks if the data starts with the given prefix. More...
MDBX_NOTHROW_PURE_FUNCTION bool	ends_with (const struct slice &suffix) const noexcept
	Checks if the data ends with the given suffix. More...
void	clear () noexcept
	Clears the contents and storage. More...
void	shrink_to_fit ()
	Reduces memory usage by freeing unused storage space. More...
void	remove_prefix (size_t n) noexcept
	Drops the first "n" bytes from the data chunk. More...
void	remove_suffix (size_t n) noexcept
	Drops the last "n" bytes from the data chunk. More...
void	safe_remove_prefix (size_t n)
	Drops the first "n" bytes from the data chunk. More...
void	safe_remove_suffix (size_t n)
	Drops the last "n" bytes from the data chunk. More...
MDBX_CXX11_CONSTEXPR byte	operator[] (size_t n) const noexcept
	Accesses the specified byte of data chunk. More...
MDBX_CXX11_CONSTEXPR byte &	operator[] (size_t n) noexcept
	Accesses the specified byte of data chunk. More...
MDBX_CXX14_CONSTEXPR byte	at (size_t n) const
	Accesses the specified byte of data chunk with bounds checking. More...
MDBX_CXX14_CONSTEXPR byte &	at (size_t n)
	Accesses the specified byte of data chunk with bounds checking. More...
MDBX_CXX14_CONSTEXPR struct slice	head (size_t n) const noexcept
	Returns the first "n" bytes of the data chunk. More...
MDBX_CXX14_CONSTEXPR struct slice	tail (size_t n) const noexcept
	Returns the last "n" bytes of the data chunk. More...
MDBX_CXX14_CONSTEXPR struct slice	middle (size_t from, size_t n) const noexcept
	Returns the middle "n" bytes of the data chunk. More...
MDBX_CXX14_CONSTEXPR struct slice	safe_head (size_t n) const
	Returns the first "n" bytes of the data chunk. More...
MDBX_CXX14_CONSTEXPR struct slice	safe_tail (size_t n) const
	Returns the last "n" bytes of the data chunk. More...
MDBX_CXX14_CONSTEXPR struct slice	safe_middle (size_t from, size_t n) const
	Returns the middle "n" bytes of the data chunk. More...
buffer &	append (const void *src, size_t bytes)
buffer &	append (const struct slice &chunk)
buffer &	add_header (const void *src, size_t bytes)
buffer &	add_header (const struct slice &chunk)
template<MDBX_CXX20_CONCEPT(MutableByteProducer, PRODUCER) >
buffer &	append_producer (PRODUCER &producer)
template<MDBX_CXX20_CONCEPT(ImmutableByteProducer, PRODUCER) >
buffer &	append_producer (const PRODUCER &producer)
buffer &	append_hex (const struct slice &data, bool uppercase=false, unsigned wrap_width=0)
buffer &	append_base58 (const struct slice &data, unsigned wrap_width=0)
buffer &	append_base64 (const struct slice &data, unsigned wrap_width=0)
buffer &	append_decoded_hex (const struct slice &data, bool ignore_spaces=false)
buffer &	append_decoded_base58 (const struct slice &data, bool ignore_spaces=false)
buffer &	append_decoded_base64 (const struct slice &data, bool ignore_spaces=false)
template<class ALLOCATOR , typename CAPACITY_POLICY >
	buffer (const txn &txn, const struct slice &src, const allocator_type &allocator)

Static Public Member Functions
template<typename POD >
static buffer	wrap (const POD &pod, bool make_reference=false, const allocator_type &allocator=allocator_type())
static buffer	clone (const buffer &src, const allocator_type &allocator=allocator_type())
template<size_t SIZE>
static buffer	key_from (const char(&text)[SIZE], bool make_reference=true)
template<class CHAR , class T >
static buffer	key_from (const ::std::basic_string_view< CHAR, T > &src, bool make_reference=false)
static buffer	key_from (const char *src, bool make_reference=false)
template<class CHAR , class T , class A >
static buffer	key_from (const ::std::basic_string< CHAR, T, A > &src, bool make_reference=false)
static buffer	key_from (const silo &&src) noexcept
static buffer	key_from (const double ieee754_64bit)
static buffer	key_from (const double *ieee754_64bit)
static buffer	key_from (const uint64_t unsigned_int64)
static buffer	key_from (const int64_t signed_int64)
static buffer	key_from_jsonInteger (const int64_t json_integer)
static buffer	key_from (const float ieee754_32bit)
static buffer	key_from (const float *ieee754_32bit)
static buffer	key_from (const uint32_t unsigned_int32)
static buffer	key_from (const int32_t signed_int32)

Friends
class	txn

Detailed Description

template<class ALLOCATOR, typename CAPACITY_POLICY>
class mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >

The chunk of data stored inside the buffer or located outside it.

Member Typedef Documentation

allocator_traits

template<class ALLOCATOR , typename CAPACITY_POLICY >

using mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::allocator_traits = ::std::allocator_traits<allocator_type>

allocator_type

template<class ALLOCATOR , typename CAPACITY_POLICY >

using mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::allocator_type = typename ::std::allocator_traits< ALLOCATOR>::template rebind_alloc<uint64_t>

reservation_policy

template<class ALLOCATOR , typename CAPACITY_POLICY >

using mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::reservation_policy = CAPACITY_POLICY

Member Enumeration Documentation

anonymous enum

template<class ALLOCATOR , typename CAPACITY_POLICY >

anonymous enum : size_t

Enumerator
max_length
max_capacity
extra_inplace_storage
pettiness_threshold

Constructor & Destructor Documentation

buffer() [1/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX20_CONSTEXPR mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( )

defaultnoexcept

buffer() [2/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX20_CONSTEXPR mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const allocator_type &  allocator )

inlinenoexcept

buffer() [3/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const struct slice &  src, bool  make_reference, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [4/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const buffer< ALLOCATOR, CAPACITY_POLICY > &  src, bool  make_reference, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [5/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const void *  ptr, size_t  bytes, bool  make_reference, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [6/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR , class T , class A >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const ::std::basic_string< CHAR, T, A > &  )

delete

buffer() [7/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR , class T , class A >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const ::std::basic_string< CHAR, T, A > &&  )

delete

buffer() [8/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const char *  c_str, bool  make_reference, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [9/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR , class T >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const ::std::basic_string_view< CHAR, T > &  view, bool  make_reference, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [10/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX20_CONSTEXPR mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const struct slice &  src, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [11/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX20_CONSTEXPR mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const buffer< ALLOCATOR, CAPACITY_POLICY > &  src, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [12/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX20_CONSTEXPR mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const void *  ptr, size_t  bytes, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [13/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR , class T , class A >

MDBX_CXX20_CONSTEXPR mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const ::std::basic_string< CHAR, T, A > &  str, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [14/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX20_CONSTEXPR mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const char *  c_str, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [15/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR , class T >

MDBX_CXX20_CONSTEXPR mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const ::std::basic_string_view< CHAR, T > &  view, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [16/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( size_t  head_room, size_t  tail_room, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [17/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( size_t  capacity, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [18/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( size_t  head_room, const struct slice &  src, size_t  tail_room, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [19/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( size_t  head_room, const buffer< ALLOCATOR, CAPACITY_POLICY > &  src, size_t  tail_room, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [20/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const ::mdbx::txn &  txn, const struct slice &  src, const allocator_type &  allocator = allocator_type()  )

inline

buffer() [21/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( buffer< ALLOCATOR, CAPACITY_POLICY > &&  src )

inlinenoexcept

buffer() [22/22]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class ALLOCATOR , typename CAPACITY_POLICY >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::buffer ( const txn &  txn, const struct slice &  src, const allocator_type &  allocator  )

inline

Member Function Documentation

add_header() [1/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::add_header ( const struct slice &  chunk )

inline

add_header() [2/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::add_header ( const void *  src, size_t  bytes  )

inline

append() [1/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::append ( const struct slice &  chunk )

inline

append() [2/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::append ( const void *  src, size_t  bytes  )

inline

append_base58()

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::append_base58 ( const struct slice &  data, unsigned  wrap_width = 0  )

inline

append_base64()

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::append_base64 ( const struct slice &  data, unsigned  wrap_width = 0  )

inline

append_decoded_base58()

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::append_decoded_base58 ( const struct slice &  data, bool  ignore_spaces = false  )

inline

append_decoded_base64()

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::append_decoded_base64 ( const struct slice &  data, bool  ignore_spaces = false  )

inline

append_decoded_hex()

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::append_decoded_hex ( const struct slice &  data, bool  ignore_spaces = false  )

inline

append_hex()

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::append_hex ( const struct slice &  data, bool  uppercase = false, unsigned  wrap_width = 0  )

inline

append_producer() [1/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<MDBX_CXX20_CONCEPT(ImmutableByteProducer, PRODUCER) >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::append_producer ( const PRODUCER &  producer )

inline

append_producer() [2/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<MDBX_CXX20_CONCEPT(MutableByteProducer, PRODUCER) >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::append_producer ( PRODUCER &  producer )

inline

as_string()

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR = char, class T = ::std::char_traits<CHAR>, class A = legacy_allocator>

MDBX_CXX20_CONSTEXPR ::std::basic_string<CHAR, T, A> mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::as_string ( const A &  allocator = A() ) const

inline

assign() [1/9]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::assign ( ::MDBX_val &&  src, bool  make_reference = false  )

inline

assign() [2/9]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::assign ( const ::MDBX_val &  src, bool  make_reference = false  )

inline

assign() [3/9]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR , class T , class A >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::assign ( const ::std::basic_string< CHAR, T, A > &  str, bool  make_reference = false  )

inline

assign() [4/9]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::assign ( const buffer< ALLOCATOR, CAPACITY_POLICY > &  src, bool  make_reference = false  )

inline

assign() [5/9]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::assign ( const char *  c_str, bool  make_reference = false  )

inline

assign() [6/9]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::assign ( const struct slice &  src, bool  make_reference = false  )

inline

assign() [7/9]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::assign ( const void *  begin, const void *  end, bool  make_reference = false  )

inline

assign() [8/9]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::assign ( const void *  ptr, size_t  bytes, bool  make_reference = false  )

inline

assign() [9/9]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::assign ( struct slice &&  src, bool  make_reference = false  )

inline

assign_freestanding()

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::assign_freestanding ( const void *  ptr, size_t  bytes  )

inline

assign_reference()

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::assign_reference ( const void *  ptr, size_t  bytes  )

inline

at() [1/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX14_CONSTEXPR byte& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::at ( size_t  n )

inline

Accesses the specified byte of data chunk with bounds checking.

Exceptions

std::out_of_range

if n >= size()

at() [2/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX14_CONSTEXPR byte mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::at ( size_t  n ) const

inline

Accesses the specified byte of data chunk with bounds checking.

Exceptions

std::out_of_range

if n >= size()

byte_ptr() [1/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

const MDBX_CXX11_CONSTEXPR byte* mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::byte_ptr ( ) const

inlinenoexcept

Returns casted to const pointer to byte an address of data.

byte_ptr() [2/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX11_CONSTEXPR byte* mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::byte_ptr ( )

inlinenoexcept

Returns casted to pointer to byte an address of data.

Precondition

REQUIRES: The buffer should store data chunk, but not referenced to an external one.

capacity()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR size_t mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::capacity ( ) const

inlinenoexcept

Returns the number of bytes that can be held in currently allocated storage.

char_ptr() [1/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

const MDBX_CXX11_CONSTEXPR char* mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::char_ptr ( ) const

inlinenoexcept

Returns casted to const pointer to char an address of data.

char_ptr() [2/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX11_CONSTEXPR char* mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::char_ptr ( )

inlinenoexcept

Returns casted to pointer to char an address of data.

Precondition

REQUIRES: The buffer should store data chunk, but not referenced to an external one.

clear()

template<class ALLOCATOR , typename CAPACITY_POLICY >

void mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::clear ( )

inlinenoexcept

Clears the contents and storage.

clone()

template<class ALLOCATOR , typename CAPACITY_POLICY >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::clone ( const buffer< ALLOCATOR, CAPACITY_POLICY > &  src, const allocator_type &  allocator = allocator_type()  )

inlinestatic

data() [1/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

const MDBX_CXX11_CONSTEXPR void* mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::data ( ) const

inlinenoexcept

Return a const pointer to the beginning of the referenced data.

data() [2/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX11_CONSTEXPR void* mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::data ( )

inlinenoexcept

Return a pointer to the beginning of the referenced data.

Precondition

REQUIRES: The buffer should store data chunk, but not referenced to an external one.

empty()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR bool mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::empty ( ) const

inlinenoexcept

Checks whether the string is empty.

end() [1/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

const MDBX_CXX11_CONSTEXPR void* mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::end ( ) const

inlinenoexcept

Return a const pointer to the end of the referenced data.

end() [2/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX11_CONSTEXPR void* mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::end ( )

inlinenoexcept

Return a pointer to the end of the referenced data.

Precondition

REQUIRES: The buffer should store data chunk, but not referenced to an external one.

end_byte_ptr() [1/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

const MDBX_CXX11_CONSTEXPR byte* mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::end_byte_ptr ( ) const

inlinenoexcept

Returns casted to const pointer to byte an end of data.

end_byte_ptr() [2/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX11_CONSTEXPR byte* mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::end_byte_ptr ( )

inlinenoexcept

Returns casted to pointer to byte an end of data.

Precondition

REQUIRES: The buffer should store data chunk, but not referenced to an external one.

end_char_ptr() [1/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

const MDBX_CXX11_CONSTEXPR char* mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::end_char_ptr ( ) const

inlinenoexcept

Returns casted to const pointer to char an end of data.

end_char_ptr() [2/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX11_CONSTEXPR char* mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::end_char_ptr ( )

inlinenoexcept

Returns casted to pointer to char an end of data.

Precondition

REQUIRES: The buffer should store data chunk, but not referenced to an external one.

ends_with()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_NOTHROW_PURE_FUNCTION bool mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::ends_with ( const struct slice &  suffix ) const

inlinenoexcept

Checks if the data ends with the given suffix.

get_allocator()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX20_CONSTEXPR allocator_type mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::get_allocator ( ) const

inline

Returns the associated allocator.

hash_value()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX14_CONSTEXPR size_t mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::hash_value ( ) const

inlinenoexcept

Returns the hash value of the data.

Attention

Function implementation and returned hash values may changed version to version, and in future the t1ha3 will be used here. Therefore values obtained from this function shouldn't be persisted anywhere.

head()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX14_CONSTEXPR struct slice mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::head ( size_t  n ) const

inlinenoexcept

Returns the first "n" bytes of the data chunk.

Precondition

REQUIRES: n <= size()

headroom()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR size_t mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::headroom ( ) const

inlinenoexcept

Returns the number of bytes that available in currently allocated storage ahead the currently beginning of data.

is_freestanding()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR bool mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::is_freestanding ( ) const

inlinenoexcept

Checks whether data chunk stored inside the buffer, otherwise buffer just refers to data located outside the buffer.

is_null()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX11_CONSTEXPR bool mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::is_null ( ) const

inlinenoexcept

Checks whether the data pointer of the buffer is nullptr.

is_reference()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR bool mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::is_reference ( ) const

inlinenoexcept

Checks whether the buffer just refers to data located outside the buffer, rather than stores it.

key_from() [1/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR , class T , class A >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const ::std::basic_string< CHAR, T, A > &  src, bool  make_reference = false  )

inlinestatic

key_from() [2/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR , class T >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const ::std::basic_string_view< CHAR, T > &  src, bool  make_reference = false  )

inlinestatic

key_from() [3/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const char *  src, bool  make_reference = false  )

inlinestatic

key_from() [4/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<size_t SIZE>

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const char(&)  text[SIZE], bool  make_reference = true  )

inlinestatic

key_from() [5/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const double *  ieee754_64bit )

inlinestatic

key_from() [6/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const double  ieee754_64bit )

inlinestatic

key_from() [7/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const float *  ieee754_32bit )

inlinestatic

key_from() [8/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const float  ieee754_32bit )

inlinestatic

key_from() [9/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const int32_t  signed_int32 )

inlinestatic

key_from() [10/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const int64_t  signed_int64 )

inlinestatic

key_from() [11/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const silo &&  src )

inlinestaticnoexcept

key_from() [12/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const uint32_t  unsigned_int32 )

inlinestatic

key_from() [13/13]

template<class ALLOCATOR , typename CAPACITY_POLICY >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from ( const uint64_t  unsigned_int64 )

inlinestatic

key_from_jsonInteger()

template<class ALLOCATOR , typename CAPACITY_POLICY >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::key_from_jsonInteger ( const int64_t  json_integer )

inlinestatic

length()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX14_CONSTEXPR size_t mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::length ( ) const

inlinenoexcept

Returns the number of bytes.

make_freestanding()

template<class ALLOCATOR , typename CAPACITY_POLICY >

void mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::make_freestanding ( )

inline

Makes buffer owning the data.

If buffer refers to an external data, then makes it the owner of clone by allocating storage and copying the data.

middle()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX14_CONSTEXPR struct slice mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::middle ( size_t  from, size_t  n  ) const

inlinenoexcept

Returns the middle "n" bytes of the data chunk.

Precondition

REQUIRES: from + n <= size()

operator const struct slice &()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX11_CONSTEXPR mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::operator const struct slice & ( ) const

inlinenoexcept

operator::std::basic_string()

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR , class T , class A >

MDBX_CXX20_CONSTEXPR mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::operator::std::basic_string ( ) const

inlineexplicit

operator::std::basic_string_view()

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR , class T >

mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::operator::std::basic_string_view ( ) const

inlinenoexcept

Return a string_view that references the data of this buffer.

operator=() [1/5]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::operator= ( buffer< ALLOCATOR, CAPACITY_POLICY > &&  src )

inlinenoexcept

operator=() [2/5]

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR , class T >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::operator= ( const ::std::basic_string_view< CHAR, T > &  view )

inlinenoexcept

operator=() [3/5]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::operator= ( const buffer< ALLOCATOR, CAPACITY_POLICY > &  src )

inline

operator=() [4/5]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::operator= ( const struct slice &  src )

inline

operator=() [5/5]

template<class ALLOCATOR , typename CAPACITY_POLICY >

buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::operator= ( struct slice &&  src )

inline

operator[]() [1/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX11_CONSTEXPR byte mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::operator[] ( size_t  n ) const

inlinenoexcept

Accesses the specified byte of data chunk.

Precondition

REQUIRES: n < size()

operator[]() [2/2]

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX11_CONSTEXPR byte& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::operator[] ( size_t  n )

inlinenoexcept

Accesses the specified byte of data chunk.

Precondition

REQUIRES: n < size()

remove_prefix()

template<class ALLOCATOR , typename CAPACITY_POLICY >

void mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::remove_prefix ( size_t  n )

inlinenoexcept

Drops the first "n" bytes from the data chunk.

Precondition

REQUIRES: n <= size()

remove_suffix()

template<class ALLOCATOR , typename CAPACITY_POLICY >

void mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::remove_suffix ( size_t  n )

inlinenoexcept

Drops the last "n" bytes from the data chunk.

Precondition

REQUIRES: n <= size()

reserve()

template<class ALLOCATOR , typename CAPACITY_POLICY >

void mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::reserve ( size_t  wanna_headroom, size_t  wanna_tailroom  )

inline

Reserves storage space.

reserve_headroom()

template<class ALLOCATOR , typename CAPACITY_POLICY >

void mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::reserve_headroom ( size_t  wanna_headroom )

inline

Reserves space before the payload.

reserve_tailroom()

template<class ALLOCATOR , typename CAPACITY_POLICY >

void mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::reserve_tailroom ( size_t  wanna_tailroom )

inline

Reserves space after the payload.

safe_head()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX14_CONSTEXPR struct slice mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::safe_head ( size_t  n ) const

inline

Returns the first "n" bytes of the data chunk.

Exceptions

std::out_of_range

if n >= size()

safe_middle()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX14_CONSTEXPR struct slice mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::safe_middle ( size_t  from, size_t  n  ) const

inline

Returns the middle "n" bytes of the data chunk.

Exceptions

std::out_of_range

if from + n >= size()

safe_remove_prefix()

template<class ALLOCATOR , typename CAPACITY_POLICY >

void mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::safe_remove_prefix ( size_t  n )

inline

Drops the first "n" bytes from the data chunk.

Exceptions

std::out_of_range

if n > size()

safe_remove_suffix()

template<class ALLOCATOR , typename CAPACITY_POLICY >

void mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::safe_remove_suffix ( size_t  n )

inline

Drops the last "n" bytes from the data chunk.

Exceptions

std::out_of_range

if n > size()

safe_tail()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX14_CONSTEXPR struct slice mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::safe_tail ( size_t  n ) const

inline

Returns the last "n" bytes of the data chunk.

Exceptions

std::out_of_range

if n >= size()

set_end()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX14_CONSTEXPR buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::set_end ( const void *  ptr )

inline

Sets the length by specifying the end of the data.

set_length()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX14_CONSTEXPR buffer& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::set_length ( size_t  bytes )

inline

Set length of data.

shrink_to_fit()

template<class ALLOCATOR , typename CAPACITY_POLICY >

void mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::shrink_to_fit ( )

inline

Reduces memory usage by freeing unused storage space.

size()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR size_t mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::size ( ) const

inlinenoexcept

Returns the number of bytes.

slice()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX11_CONSTEXPR const struct slice& mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::slice ( ) const

inlinenoexcept

starts_with()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_NOTHROW_PURE_FUNCTION bool mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::starts_with ( const struct slice &  prefix ) const

inlinenoexcept

Checks if the data starts with the given prefix.

string_view()

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<class CHAR = char, class T = ::std::char_traits<CHAR>>

::std::basic_string_view<CHAR, T> mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::string_view ( ) const

inlinenoexcept

Return a string_view that references the data of this buffer.

swap()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX20_CONSTEXPR void mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::swap ( buffer< ALLOCATOR, CAPACITY_POLICY > &  other )

inlinenoexcept

tail()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_CXX14_CONSTEXPR struct slice mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::tail ( size_t  n ) const

inlinenoexcept

Returns the last "n" bytes of the data chunk.

Precondition

REQUIRES: n <= size()

tailroom()

template<class ALLOCATOR , typename CAPACITY_POLICY >

MDBX_NOTHROW_PURE_FUNCTION MDBX_CXX20_CONSTEXPR size_t mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::tailroom ( ) const

inlinenoexcept

Returns the number of bytes that available in currently allocated storage after the currently data end.

wrap()

template<class ALLOCATOR , typename CAPACITY_POLICY >

template<typename POD >

static buffer mdbx::buffer< ALLOCATOR, CAPACITY_POLICY >::wrap ( const POD &  pod, bool  make_reference = false, const allocator_type &  allocator = allocator_type()  )

inlinestatic

Friends And Related Function Documentation

txn

template<class ALLOCATOR , typename CAPACITY_POLICY >

friend class txn

friend

---

The documentation for this class was generated from the following file:

• mdbx.h++