Public Types¶

typedef _Allocator allocator_type
typedef __gnu_debug::_Safe_iterator< typename _Base::const_iterator, basic_string > const_iterator
typedef _Base::const_pointer const_pointer
typedef _Base::const_reference const_reference
typedef std::reverse_iterator< const_iterator > const_reverse_iterator
typedef _Base::difference_type difference_type
typedef __gnu_debug::_Safe_iterator< typename _Base::iterator, basic_string > iterator
typedef _Base::pointer pointer
typedef _Base::reference reference
typedef std::reverse_iterator< iterator > reverse_iterator
typedef _Base::size_type size_type
typedef _Traits traits_type
typedef _Traits::char_type value_type

Public Member Functions¶

basic_string (_Base &&__base) noexcept
template<typename _InputIterator > basic_string (_InputIterator __begin, _InputIterator __end, const _Allocator &__a=_Allocator())
basic_string (basic_string &&)=default
basic_string (basic_string &&__s, const _Allocator &__a) noexcept(std::is_nothrow_constructible< _Base, _Base, const _Allocator & >::value)
basic_string (const _Allocator &__a) noexcept
basic_string (const _Base &__base)
basic_string (const _CharT *__s, const _Allocator &__a=_Allocator())
basic_string (const _CharT *__s, size_type __n, const _Allocator &__a=_Allocator())
basic_string (const basic_string &)=default
basic_string (const basic_string &__s, const _Allocator &__a)
basic_string (const basic_string &__str, size_type __pos, size_type __n=_Base::npos, const _Allocator &__a=_Allocator())
basic_string (size_type __n, _CharT __c, const _Allocator &__a=_Allocator())
basic_string (std::initializer_list< _CharT > __l, const _Allocator &__a=_Allocator())
const _Base & _M_base () const noexcept
_Base & _M_base () noexcept
template<typename _Predicate > void _M_invalidate_if (_Predicate __pred)
basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & _M_replace_dispatch (iterator __i1, iterator __i2, _InputIterator __k1, _InputIterator __k2, __false_type)
void _M_swap (_Safe_container &__x) noexcept
template<typename _Predicate > void _M_transfer_from_if (_Safe_sequence &__from, _Predicate __pred)
_CharT * _S_construct (_InIterator __beg, _InIterator __end, const std::allocator< _CharT > &__a, forward_iterator_tag)
template<typename _InputIterator > basic_string & append (_InputIterator __first, _InputIterator __last)
basic_string & append (const _CharT *__s)
basic_string & append (const _CharT *__s, size_type __n)
_If_sv< _Tp, basic_string & > append (const _Tp &__svt)
Append a string_view. _If_sv< _Tp, basic_string & > append (const _Tp &__svt, size_type __pos, size_type __n=npos)
Append a range of characters from a string_view. basic_string & append (const basic_string &__str)
Append a string to this string. basic_string & append (const basic_string &__str)
basic_string & append (const basic_string &__str, size_type __pos, size_type __n)
basic_string & append (const basic_string &__str, size_type __pos, size_type __n=npos)
Append a substring. basic_string & append (initializer_list< _CharT > __l)
Append an initializer_list of characters. basic_string & append (size_type __n, _CharT __c)
template<typename _InputIterator > basic_string & assign (_InputIterator __first, _InputIterator __last)
basic_string & assign (basic_string &&__str) noexcept(allocator_traits< std::allocator< _CharT > >::is_always_equal::value)
Set value to contents of another string. basic_string & assign (basic_string &&__x) noexcept(noexcept(std::declval< _Base & >().assign(std::move(__x))))
basic_string & assign (const _CharT *__s)
basic_string & assign (const _CharT *__s, size_type __n)
_If_sv< _Tp, basic_string & > assign (const _Tp &__svt)
Set value from a string_view. _If_sv< _Tp, basic_string & > assign (const _Tp &__svt, size_type __pos, size_type __n=npos)
Set value from a range of characters in a string_view. basic_string & assign (const basic_string &__str)
Set value to contents of another string. basic_string & assign (const basic_string &__str, size_type __pos, size_type __n)
basic_string & assign (const basic_string &__str, size_type __pos, size_type __n=npos)
Set value to a substring of a string. basic_string & assign (const basic_string &__x)
basic_string & assign (size_type __n, _CharT __c)
basic_string & assign (std::initializer_list< _CharT > __l)
reference at (size_type __n)
Provides access to the data contained in the string. reference at (size_type __n)
Provides access to the data contained in the string. const_reference at (size_type __n) const
Provides access to the data contained in the string. const_reference at (size_type __n) const
Provides access to the data contained in the string. reference back ()
const_reference back () const noexcept
const_reference back () const noexcept
iterator begin ()
const_iterator begin () const noexcept
const _CharT * c_str () const noexcept
size_type capacity () const noexcept
size_type capacity () const noexcept
const_iterator cbegin () const noexcept
const_iterator cend () const noexcept
void clear ()
int compare (const _CharT *__s) const
_If_sv< _Tp, int > compare (const _Tp &__svt) const noexcept(is_same< _Tp, __sv_type >::value)
Compare to a string_view. int compare (const basic_string &__str) const
Compare to a string. int compare (const basic_string &__str) const
_If_sv< _Tp, int > compare (size_type __pos, size_type __n, const _Tp &__svt) const noexcept(is_same< _Tp, __sv_type >::value)
Compare to a string_view. int compare (size_type __pos, size_type __n, const basic_string &__str) const
Compare substring to a string. int compare (size_type __pos1, size_type __n1, const _CharT *__s) const
int compare (size_type __pos1, size_type __n1, const _CharT *__s, size_type __n2) const
_If_sv< _Tp, int > compare (size_type __pos1, size_type __n1, const _Tp &__svt, size_type __pos2, size_type __n2=npos) const noexcept(is_same< _Tp, __sv_type >::value)
Compare to a string_view. int compare (size_type __pos1, size_type __n1, const basic_string &__str) const
int compare (size_type __pos1, size_type __n1, const basic_string &__str, size_type __pos2, size_type __n2) const
int compare (size_type __pos1, size_type __n1, const basic_string &__str, size_type __pos2, size_type __n2=npos) const
Compare substring to a substring. size_type copy (_CharT *__s, size_type __n, size_type __pos=0) const
const_reverse_iterator crbegin () const noexcept
const_reverse_iterator crend () const noexcept
const _CharT * data () const noexcept
_CharT * data () noexcept
Return non-const pointer to contents. bool empty () const noexcept
bool empty () const noexcept
iterator end ()
const_iterator end () const noexcept
iterator erase (__const_iterator __first, __const_iterator __last)
iterator erase (__const_iterator __position)
iterator erase (iterator __first, iterator __last)
Remove a range of characters. iterator erase (iterator __position)
Remove one character. basic_string & erase (size_type __pos=0, size_type __n=_Base::npos)
size_type find (_CharT __c, size_type __pos=0) const noexcept
size_type find (const _CharT *__s, size_type __pos, size_type __n) const
size_type find (const _CharT *__s, size_type __pos=0) const
_If_sv< _Tp, size_type > find (const _Tp &__svt, size_type __pos=0) const noexcept(is_same< _Tp, __sv_type >::value)
Find position of a string_view. size_type find (const basic_string &__str, size_type __pos=0) const noexcept
Find position of a string. size_type find (const basic_string &__str, size_type __pos=0) const noexcept
size_type find_first_not_of (_CharT __c, size_type __pos=0) const noexcept
size_type find_first_not_of (const _CharT *__s, size_type __pos, size_type __n) const
size_type find_first_not_of (const _CharT *__s, size_type __pos=0) const
_If_sv< _Tp, size_type > find_first_not_of (const _Tp &__svt, size_type __pos=0) const noexcept(is_same< _Tp, __sv_type >::value)
Find position of a character not in a string_view. size_type find_first_not_of (const basic_string &__str, size_type __pos=0) const noexcept
Find position of a character not in string. size_type find_first_not_of (const basic_string &__str, size_type __pos=0) const noexcept
size_type find_first_of (_CharT __c, size_type __pos=0) const noexcept
size_type find_first_of (const _CharT *__s, size_type __pos, size_type __n) const
size_type find_first_of (const _CharT *__s, size_type __pos=0) const
_If_sv< _Tp, size_type > find_first_of (const _Tp &__svt, size_type __pos=0) const noexcept(is_same< _Tp, __sv_type >::value)
Find position of a character of a string_view. size_type find_first_of (const basic_string &__str, size_type __pos=0) const noexcept
Find position of a character of string. size_type find_first_of (const basic_string &__str, size_type __pos=0) const noexcept
size_type find_last_not_of (_CharT __c, size_type __pos=_Base::npos) const noexcept
size_type find_last_not_of (const _CharT *__s, size_type __pos, size_type __n) const
size_type find_last_not_of (const _CharT *__s, size_type __pos=_Base::npos) const
_If_sv< _Tp, size_type > find_last_not_of (const _Tp &__svt, size_type __pos=npos) const noexcept(is_same< _Tp, __sv_type >::value)
Find last position of a character not in a string_view. size_type find_last_not_of (const basic_string &__str, size_type __pos=_Base::npos) const noexcept
size_type find_last_not_of (const basic_string &__str, size_type __pos=npos) const noexcept
Find last position of a character not in string. size_type find_last_of (_CharT __c, size_type __pos=_Base::npos) const noexcept
size_type find_last_of (const _CharT *__s, size_type __pos, size_type __n) const
size_type find_last_of (const _CharT *__s, size_type __pos=_Base::npos) const
_If_sv< _Tp, size_type > find_last_of (const _Tp &__svt, size_type __pos=npos) const noexcept(is_same< _Tp, __sv_type >::value)
Find last position of a character of string. size_type find_last_of (const basic_string &__str, size_type __pos=_Base::npos) const noexcept
size_type find_last_of (const basic_string &__str, size_type __pos=npos) const noexcept
Find last position of a character of string. reference front ()
const_reference front () const noexcept
const_reference front () const noexcept
allocator_type get_allocator () const noexcept
Return copy of allocator used to construct this string. allocator_type get_allocator () const noexcept
Return copy of allocator used to construct this string. iterator insert (__const_iterator __p, _CharT __c)
template<typename _InputIterator > iterator insert (__const_iterator __p, _InputIterator __first, _InputIterator __last)
iterator insert (const_iterator __p, size_type __n, _CharT __c)
iterator insert (const_iterator __p, std::initializer_list< _CharT > __l)
iterator insert (iterator __p, _CharT __c)
Insert one character. void insert (iterator __p, _InputIterator __beg, _InputIterator __end)
Insert a range of characters. void insert (iterator __p, initializer_list< _CharT > __l)
Insert an initializer_list of characters. void insert (iterator __p, size_type __n, _CharT __c)
Insert multiple characters. basic_string & insert (size_type __pos, const _CharT *__s)
basic_string & insert (size_type __pos, const _CharT *__s, size_type __n)
_If_sv< _Tp, basic_string & > insert (size_type __pos, const _Tp &__svt)
Insert a string_view. basic_string & insert (size_type __pos, size_type __n, _CharT __c)
_If_sv< _Tp, basic_string & > insert (size_type __pos1, const _Tp &__svt, size_type __pos2, size_type __n=npos)
Insert a string_view. basic_string & insert (size_type __pos1, const basic_string &__str)
Insert value of a string. basic_string & insert (size_type __pos1, const basic_string &__str)
basic_string & insert (size_type __pos1, const basic_string &__str, size_type __pos2, size_type __n)
basic_string & insert (size_type __pos1, const basic_string &__str, size_type __pos2, size_type __n=npos)
Insert a substring. size_type length () const noexcept
Returns the number of characters in the string, not including any null-termination. size_type length () const noexcept
Returns the number of characters in the string, not including any null-termination. size_type max_size () const noexcept
Returns the size() of the largest possible string. size_type max_size () const noexcept
Returns the size() of the largest possible string. operator __sv_type () const noexcept
Convert to a string_view. basic_string & operator+= (_CharT __c)
basic_string & operator+= (const _CharT *__s)
_If_sv< _Tp, basic_string & > operator+= (const _Tp &__svt)
Append a string_view. basic_string & operator+= (const basic_string &__str)
Append a string to this string. basic_string & operator+= (const basic_string &__str)
basic_string & operator+= (std::initializer_list< _CharT > __l)
basic_string & operator= (_CharT __c)
basic_string & operator= (basic_string &&)=default
basic_string & operator= (const _CharT *__s)
basic_string & operator= (const basic_string &)=default
basic_string & operator= (std::initializer_list< _CharT > __l)
reference operator[] (size_type __pos)
const_reference operator[] (size_type __pos) const noexcept
void pop_back ()
void push_back (_CharT __c)
reverse_iterator rbegin ()
const_reverse_iterator rbegin () const noexcept
reverse_iterator rend ()
const_reverse_iterator rend () const noexcept
template<typename _InputIterator > basic_string & replace (__const_iterator __i1, __const_iterator __i2, _InputIterator __j1, _InputIterator __j2)
basic_string & replace (__const_iterator __i1, __const_iterator __i2, const _CharT *__s)
basic_string & replace (__const_iterator __i1, __const_iterator __i2, const _CharT *__s, size_type __n)
basic_string & replace (__const_iterator __i1, __const_iterator __i2, const basic_string &__str)
basic_string & replace (__const_iterator __i1, __const_iterator __i2, size_type __n, _CharT __c)
basic_string & replace (__const_iterator __i1, __const_iterator __i2, std::initializer_list< _CharT > __l)
_If_sv< _Tp, basic_string & > replace (const_iterator __i1, const_iterator __i2, const _Tp &__svt)
Replace range of characters with string_view. basic_string & replace (iterator __i1, iterator __i2, _CharT *__k1, _CharT *__k2)
basic_string & replace (iterator __i1, iterator __i2, _InputIterator __k1, _InputIterator __k2)
Replace range of characters with range. basic_string & replace (iterator __i1, iterator __i2, const _CharT *__k1, const _CharT *__k2)
basic_string & replace (iterator __i1, iterator __i2, const _CharT *__s)
Replace range of characters with C string. basic_string & replace (iterator __i1, iterator __i2, const _CharT *__s, size_type __n)
Replace range of characters with C substring. basic_string & replace (iterator __i1, iterator __i2, const basic_string &__str)
Replace range of characters with string. basic_string & replace (iterator __i1, iterator __i2, const_iterator __k1, const_iterator __k2)
basic_string & replace (iterator __i1, iterator __i2, initializer_list< _CharT > __l)
Replace range of characters with initializer_list. basic_string & replace (iterator __i1, iterator __i2, iterator __k1, iterator __k2)
basic_string & replace (iterator __i1, iterator __i2, size_type __n, _CharT __c)
Replace range of characters with multiple characters. _If_sv< _Tp, basic_string & > replace (size_type __pos, size_type __n, const _Tp &__svt)
Replace range of characters with string_view. basic_string & replace (size_type __pos, size_type __n, const basic_string &__str)
Replace characters with value from another string. basic_string & replace (size_type __pos, size_type __n1, const _CharT *__s)
basic_string & replace (size_type __pos, size_type __n1, const _CharT *__s, size_type __n2)
basic_string & replace (size_type __pos, size_type __n1, size_type __n2, _CharT __c)
_If_sv< _Tp, basic_string & > replace (size_type __pos1, size_type __n1, const _Tp &__svt, size_type __pos2, size_type __n2=npos)
Replace range of characters with string_view. basic_string & replace (size_type __pos1, size_type __n1, const basic_string &__str)
basic_string & replace (size_type __pos1, size_type __n1, const basic_string &__str, size_type __pos2, size_type __n2)
basic_string & replace (size_type __pos1, size_type __n1, const basic_string &__str, size_type __pos2, size_type __n2=npos)
Replace characters with value from another string. void reserve ()
Equivalent to shrink_to_fit(). void reserve (size_type __res_arg)
Attempt to preallocate enough memory for specified number of characters. void reserve (size_type __res_arg)
Attempt to preallocate enough memory for specified number of characters. void resize (size_type __n)
void resize (size_type __n, _CharT __c)
size_type rfind (_CharT __c, size_type __pos=_Base::npos) const noexcept
size_type rfind (const _CharT *__s, size_type __pos, size_type __n) const
size_type rfind (const _CharT *__s, size_type __pos=_Base::npos) const
_If_sv< _Tp, size_type > rfind (const _Tp &__svt, size_type __pos=npos) const noexcept(is_same< _Tp, __sv_type >::value)
Find last position of a string_view. size_type rfind (const basic_string &__str, size_type __pos=_Base::npos) const noexcept
size_type rfind (const basic_string &__str, size_type __pos=npos) const noexcept
Find last position of a string. void shrink_to_fit () noexcept
size_type size () const noexcept
Returns the number of characters in the string, not including any null-termination. size_type size () const noexcept
Returns the number of characters in the string, not including any null-termination. basic_string substr (size_type __pos=0, size_type __n=_Base::npos) const
void swap (basic_string &__s) noexcept(/*conditional */)
Swap contents with another string. void swap (basic_string &__x) noexcept(/*conditional */)

Public Attributes¶

_Safe_iterator_base * _M_const_iterators
The list of constant iterators that reference this container. _Safe_iterator_base * _M_iterators
The list of mutable iterators that reference this container. unsigned int _M_version
The container version number. This number may never be 0.

Static Public Attributes¶

static const size_type npos
Value returned by various member functions when they fail.

Protected Member Functions¶

void _M_detach_all ()
void _M_detach_singular ()
__gnu_cxx::__mutex & _M_get_mutex () throw ()
void _M_invalidate_all () const
void _M_revalidate_singular ()
_Safe_container & _M_safe () noexcept
void _M_swap (_Safe_sequence_base &__x) noexcept

Friends¶

template<typename _ItT , typename _SeqT , typename _CatT > class ::__gnu_debug::_Safe_iterator

template<typename _CharT, typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>>¶

class __gnu_debug::basic_string< _CharT, _Traits, _Allocator >" Class std::basic_string with safety/checking/debug instrumentation.

void __gnu_debug::_Safe_sequence_base::_M_detach_all () [protected], [inherited]¶

Detach all iterators, leaving them singular.

Referenced by __gnu_debug::_Safe_sequence_base::~_Safe_sequence_base().

void __gnu_debug::_Safe_sequence_base::_M_detach_singular () [protected], [inherited]¶

Detach all singular iterators.

Postcondition

__gnu_cxx::__mutex& __gnu_debug::_Safe_sequence_base::_M_get_mutex () [protected], [inherited]¶

For use in _Safe_sequence.

Referenced by __gnu_debug::_Safe_sequence< _Sequence >::_M_transfer_from_if().

void __gnu_debug::_Safe_sequence_base::_M_invalidate_all () const [inline], [protected], [inherited]¶

Invalidates all iterators.

References __gnu_debug::_Safe_sequence_base::_M_version.

template<typename _Sequence > template<typename _Predicate > void __gnu_debug::_Safe_sequence< _Sequence >::_M_invalidate_if (_Predicate __pred) [inherited]¶

Invalidates all iterators x that reference this sequence, are not singular, and for which __pred(x) returns true. __pred will be invoked with the normal iterators nested in the safe ones.

void __gnu_debug::_Safe_sequence_base::_M_revalidate_singular () [protected], [inherited]¶

Revalidates all attached singular iterators. This method may be used to validate iterators that were invalidated before (but for some reason, such as an exception, need to become valid again).

void __gnu_debug::_Safe_sequence_base::_M_swap (_Safe_sequence_base & __x) [protected], [noexcept], [inherited]¶

Swap this sequence with the given sequence. This operation also swaps ownership of the iterators, so that when the operation is complete all iterators that originally referenced one container now reference the other container.

template<typename _Sequence > template<typename _Predicate > void __gnu_debug::_Safe_sequence< _Sequence >::_M_transfer_from_if (_Safe_sequence< _Sequence > & __from, _Predicate __pred) [inherited]¶

Transfers all iterators x that reference from sequence, are not singular, and for which __pred(x) returns true. __pred will be invoked with the normal iterators nested in the safe ones.

References std::__addressof(), __gnu_debug::_Safe_sequence_base::_M_const_iterators, __gnu_debug::_Safe_iterator_base::_M_detach_single(), __gnu_debug::_Safe_sequence_base::_M_get_mutex(), __gnu_debug::_Safe_sequence_base::_M_iterators, __gnu_debug::_Safe_iterator_base::_M_next, __gnu_debug::_Safe_iterator_base::_M_prior, __gnu_debug::_Safe_iterator_base::_M_sequence, and __gnu_debug::_Safe_iterator_base::_M_version.

_If_sv<_Tp, basic_string&> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::append (const _Tp & __svt) [inline], [inherited]¶

Append a string_view.

Parameters

Returns

_If_sv<_Tp, basic_string&> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::append (const _Tp & __svt, size_type __pos, size_type __n = npos) [inline], [inherited]¶

Append a range of characters from a string_view.

Parameters

Returns

basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > > & std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::append (const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str) [inherited]¶

Append a string to this string.

Parameters

Returns

basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > > & std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::append (const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str, size_type __pos, size_type __n = npos) [inherited]¶

Append a substring.

Parameters

Returns

Exceptions

This function appends __n characters from __str starting at __pos to this string. If __n is is larger than the number of available characters in __str, the remainder of __str is appended.

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::append (initializer_list< _CharT > __l) [inline], [inherited]¶

Append an initializer_list of characters.

Parameters

Returns

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::assign (basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > && __str) [inline], [noexcept], [inherited]¶

Set value to contents of another string.

Parameters

Returns

This function sets this string to the exact contents of __str. __str is a valid, but unspecified string.

_If_sv<_Tp, basic_string&> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::assign (const _Tp & __svt) [inline], [inherited]¶

Set value from a string_view.

Parameters

Returns

_If_sv<_Tp, basic_string&> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::assign (const _Tp & __svt, size_type __pos, size_type __n = npos) [inline], [inherited]¶

Set value from a range of characters in a string_view.

Parameters

Returns

basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > > & std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::assign (const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str) [inherited]¶

Set value to contents of another string.

Parameters

Returns

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::assign (const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str, size_type __pos, size_type __n = npos) [inline], [inherited]¶

Set value to a substring of a string.

Parameters

Returns

Exceptions

This function sets this string to the substring of __str consisting of __n characters at __pos. If __n is is larger than the number of available characters in __str, the remainder of __str is used.

reference std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::at (size_type __n) [inline], [inherited]¶

Provides access to the data contained in the string.

Parameters

Returns

Exceptions

This function provides for safer data access. The parameter is first checked that it is in the range of the string. The function throws out_of_range if the check fails. Success results in unsharing the string.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> reference std::basic_string< _CharT, _Traits, _Alloc >::at [inline]¶

Provides access to the data contained in the string.

Parameters

Returns

Exceptions

This function provides for safer data access. The parameter is first checked that it is in the range of the string. The function throws out_of_range if the check fails. Success results in unsharing the string.

const_reference std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::at (size_type __n) const [inline], [inherited]¶

Provides access to the data contained in the string.

Parameters

Returns

Exceptions

This function provides for safer data access. The parameter is first checked that it is in the range of the string. The function throws out_of_range if the check fails.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> const_reference std::basic_string< _CharT, _Traits, _Alloc >::at [inline]¶

Provides access to the data contained in the string.

Parameters

Returns

Exceptions

This function provides for safer data access. The parameter is first checked that it is in the range of the string. The function throws out_of_range if the check fails.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> reference std::basic_string< _CharT, _Traits, _Alloc >::back [inline]¶

Returns a read/write reference to the data at the last element of the string.

const_reference std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::back () const [inline], [noexcept], [inherited]¶

Returns a read-only (constant) reference to the data at the last element of the string.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> const_reference std::basic_string< _CharT, _Traits, _Alloc >::back [inline], [noexcept]¶

Returns a read-only (constant) reference to the data at the last element of the string.

size_type std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::capacity () const [inline], [noexcept], [inherited]¶

Returns the total number of characters that the string can hold before needing to allocate more memory.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> size_type std::basic_string< _CharT, _Traits, _Alloc >::capacity [inline], [noexcept]¶

Returns the total number of characters that the string can hold before needing to allocate more memory.

_If_sv<_Tp, int> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::compare (const _Tp & __svt) const [inline], [noexcept], [inherited]¶

Compare to a string_view.

Parameters

Returns

int std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::compare (const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str) const [inline], [inherited]¶

Compare to a string.

Parameters

Returns

Returns an integer < 0 if this string is ordered before __str, 0 if their values are equivalent, or > 0 if this string is ordered after __str. Determines the effective length rlen of the strings to compare as the smallest of size() and str.size(). The function then compares the two strings by calling traits::compare(data(), str.data(),rlen). If the result of the comparison is nonzero returns it, otherwise the shorter one is ordered first.

_If_sv<_Tp, int> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::compare (size_type __pos, size_type __n, const _Tp & __svt) const [inline], [noexcept], [inherited]¶

Compare to a string_view.

Parameters

Returns

int std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::compare (size_type __pos, size_type __n, const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str) const [inherited]¶

Compare substring to a string.

Parameters

Returns

Form the substring of this string from the __n characters starting at __pos. Returns an integer < 0 if the substring is ordered before __str, 0 if their values are equivalent, or > 0 if the substring is ordered after __str. Determines the effective length rlen of the strings to compare as the smallest of the length of the substring and __str.size(). The function then compares the two strings by calling traits::compare(substring.data(),str.data(),rlen). If the result of the comparison is nonzero returns it, otherwise the shorter one is ordered first.

_If_sv<_Tp, int> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::compare (size_type __pos1, size_type __n1, const _Tp & __svt, size_type __pos2, size_type __n2 = npos) const [inline], [noexcept], [inherited]¶

Compare to a string_view.

Parameters

Returns

int std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::compare (size_type __pos1, size_type __n1, const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str, size_type __pos2, size_type __n2 = npos) const [inherited]¶

Compare substring to a substring.

Parameters

Returns

Form the substring of this string from the __n1 characters starting at __pos1. Form the substring of __str from the __n2 characters starting at __pos2. Returns an integer < 0 if this substring is ordered before the substring of __str, 0 if their values are equivalent, or > 0 if this substring is ordered after the substring of __str. Determines the effective length rlen of the strings to compare as the smallest of the lengths of the substrings. The function then compares the two strings by calling traits::compare(substring.data(),str.substr(pos2,n2).data(),rlen). If the result of the comparison is nonzero returns it, otherwise the shorter one is ordered first.

_CharT* std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::data () [inline], [noexcept], [inherited]¶

Return non-const pointer to contents. This is a pointer to the character sequence held by the string. Modifying the characters in the sequence is allowed.

bool std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::empty () const [inline], [noexcept], [inherited]¶

Returns true if the string is empty. Equivalent to *this == ''.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> bool std::basic_string< _CharT, _Traits, _Alloc >::empty [inline], [noexcept]¶

Returns true if the string is empty. Equivalent to *this == ''.

basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::iterator std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::erase (iterator __first, iterator __last) [inherited]¶

Remove a range of characters.

Parameters

Returns

Removes the characters in the range [first,last) from this string. The value of the string doesn't change if an error is thrown.

iterator std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::erase (iterator __position) [inline], [inherited]¶

Remove one character.

Parameters

Returns

Removes the character at __position from this string. The value of the string doesn't change if an error is thrown.

_If_sv<_Tp, size_type> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::find (const _Tp & __svt, size_type __pos = 0) const [inline], [noexcept], [inherited]¶

Find position of a string_view.

Parameters

Returns

size_type std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::find (const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str, size_type __pos = 0) const [inline], [noexcept], [inherited]¶

Find position of a string.

Parameters

Returns

Starting from __pos, searches forward for value of __str within this string. If found, returns the index where it begins. If not found, returns npos.

_If_sv<_Tp, size_type> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::find_first_not_of (const _Tp & __svt, size_type __pos = 0) const [inline], [noexcept], [inherited]¶

Find position of a character not in a string_view.

Parameters

Returns

size_type std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::find_first_not_of (const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str, size_type __pos = 0) const [inline], [noexcept], [inherited]¶

Find position of a character not in string.

Parameters

Returns

Starting from __pos, searches forward for a character not contained in __str within this string. If found, returns the index where it was found. If not found, returns npos.

_If_sv<_Tp, size_type> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::find_first_of (const _Tp & __svt, size_type __pos = 0) const [inline], [noexcept], [inherited]¶

Find position of a character of a string_view.

Parameters

Returns

size_type std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::find_first_of (const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str, size_type __pos = 0) const [inline], [noexcept], [inherited]¶

Find position of a character of string.

Parameters

Returns

Starting from __pos, searches forward for one of the characters of __str within this string. If found, returns the index where it was found. If not found, returns npos.

_If_sv<_Tp, size_type> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::find_last_not_of (const _Tp & __svt, size_type __pos = npos) const [inline], [noexcept], [inherited]¶

Find last position of a character not in a string_view.

Parameters

Returns

size_type std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::find_last_not_of (const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str, size_type __pos = npos) const [inline], [noexcept], [inherited]¶

Find last position of a character not in string.

Parameters

Returns

Starting from __pos, searches backward for a character not contained in __str within this string. If found, returns the index where it was found. If not found, returns npos.

_If_sv<_Tp, size_type> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::find_last_of (const _Tp & __svt, size_type __pos = npos) const [inline], [noexcept], [inherited]¶

Find last position of a character of string.

Parameters

Returns

size_type std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::find_last_of (const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str, size_type __pos = npos) const [inline], [noexcept], [inherited]¶

Find last position of a character of string.

Parameters

Returns

Starting from __pos, searches backward for one of the characters of __str within this string. If found, returns the index where it was found. If not found, returns npos.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> reference std::basic_string< _CharT, _Traits, _Alloc >::front [inline]¶

Returns a read/write reference to the data at the first element of the string.

const_reference std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::front () const [inline], [noexcept], [inherited]¶

Returns a read-only (constant) reference to the data at the first element of the string.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> const_reference std::basic_string< _CharT, _Traits, _Alloc >::front [inline], [noexcept]¶

Returns a read-only (constant) reference to the data at the first element of the string.

allocator_type std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::get_allocator () const [inline], [noexcept], [inherited]¶

Return copy of allocator used to construct this string.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> allocator_type std::basic_string< _CharT, _Traits, _Alloc >::get_allocator [inline], [noexcept]¶

Return copy of allocator used to construct this string.

iterator std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::insert (iterator __p, _CharT __c) [inline], [inherited]¶

Insert one character.

Parameters

Returns

Exceptions

Inserts character __c at position referenced by __p. If adding character causes the length to exceed max_size(), length_error is thrown. If __p is beyond end of string, out_of_range is thrown. The value of the string doesn't change if an error is thrown.

void std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::insert (iterator __p, _InputIterator __beg, _InputIterator __end) [inline], [inherited]¶

Insert a range of characters.

Parameters

Exceptions

Inserts characters in range [__beg,__end). If adding characters causes the length to exceed max_size(), length_error is thrown. The value of the string doesn't change if an error is thrown.

void std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::insert (iterator __p, initializer_list< _CharT > __l) [inline], [inherited]¶

Insert an initializer_list of characters.

Parameters

Exceptions

void std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::insert (iterator __p, size_type __n, _CharT __c) [inline], [inherited]¶

Insert multiple characters.

Parameters

Exceptions

Inserts __n copies of character __c starting at the position referenced by iterator __p. If adding characters causes the length to exceed max_size(), length_error is thrown. The value of the string doesn't change if an error is thrown.

_If_sv<_Tp, basic_string&> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::insert (size_type __pos, const _Tp & __svt) [inline], [inherited]¶

Insert a string_view.

Parameters

Returns

_If_sv<_Tp, basic_string&> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::insert (size_type __pos1, const _Tp & __svt, size_type __pos2, size_type __n = npos) [inline], [inherited]¶

Insert a string_view.

Parameters

Returns

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::insert (size_type __pos1, const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str) [inline], [inherited]¶

Insert value of a string.

Parameters

Returns

Exceptions

Inserts value of __str starting at __pos1. If adding characters causes the length to exceed max_size(), length_error is thrown. The value of the string doesn't change if an error is thrown.

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::insert (size_type __pos1, const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str, size_type __pos2, size_type __n = npos) [inline], [inherited]¶

Insert a substring.

Parameters

Returns

Exceptions

Starting at pos1, insert __n character of __str beginning with __pos2. If adding characters causes the length to exceed max_size(), length_error is thrown. If __pos1 is beyond the end of this string or __pos2 is beyond the end of __str, out_of_range is thrown. The value of the string doesn't change if an error is thrown.

size_type std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::length () const [inline], [noexcept], [inherited]¶

Returns the number of characters in the string, not including any null-termination.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> size_type std::basic_string< _CharT, _Traits, _Alloc >::length [inline], [noexcept]¶

Returns the number of characters in the string, not including any null-termination.

size_type std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::max_size () const [inline], [noexcept], [inherited]¶

Returns the size() of the largest possible string.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> size_type std::basic_string< _CharT, _Traits, _Alloc >::max_size [inline], [noexcept]¶

Returns the size() of the largest possible string.

std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::operator __sv_type () const [inline], [noexcept], [inherited]¶

Convert to a string_view.

Returns

_If_sv<_Tp, basic_string&> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::operator+= (const _Tp & __svt) [inline], [inherited]¶

Append a string_view.

Parameters

Returns

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::operator+= (const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str) [inline], [inherited]¶

Append a string to this string.

Parameters

Returns

_If_sv<_Tp, basic_string&> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::replace (const_iterator __i1, const_iterator __i2, const _Tp & __svt) [inline], [inherited]¶

Replace range of characters with string_view.

Parameters

Returns

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::replace (iterator __i1, iterator __i2, _InputIterator __k1, _InputIterator __k2) [inline], [inherited]¶

Replace range of characters with range.

Parameters

Returns

Exceptions

Removes the characters in the range [__i1,__i2). In place, characters in the range [__k1,__k2) are inserted. If the length of result exceeds max_size(), length_error is thrown. The value of the string doesn't change if an error is thrown.

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::replace (iterator __i1, iterator __i2, const _CharT * __s) [inline], [inherited]¶

Replace range of characters with C string.

Parameters

Returns

Exceptions

Removes the characters in the range [__i1,__i2). In place, the characters of __s are inserted. If the length of result exceeds max_size(), length_error is thrown. The value of the string doesn't change if an error is thrown.

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::replace (iterator __i1, iterator __i2, const _CharT * __s, size_type __n) [inline], [inherited]¶

Replace range of characters with C substring.

Parameters

Returns

Exceptions

Removes the characters in the range [__i1,__i2). In place, the first __n characters of __s are inserted. If the length of result exceeds max_size(), length_error is thrown. The value of the string doesn't change if an error is thrown.

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::replace (iterator __i1, iterator __i2, const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str) [inline], [inherited]¶

Replace range of characters with string.

Parameters

Returns

Exceptions

Removes the characters in the range [__i1,__i2). In place, the value of __str is inserted. If the length of result exceeds max_size(), length_error is thrown. The value of the string doesn't change if an error is thrown.

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::replace (iterator __i1, iterator __i2, initializer_list< _CharT > __l) [inline], [inherited]¶

Replace range of characters with initializer_list.

Parameters

Returns

Exceptions

Removes the characters in the range [__i1,__i2). In place, characters in the range [__k1,__k2) are inserted. If the length of result exceeds max_size(), length_error is thrown. The value of the string doesn't change if an error is thrown.

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::replace (iterator __i1, iterator __i2, size_type __n, _CharT __c) [inline], [inherited]¶

Replace range of characters with multiple characters.

Parameters

Returns

Exceptions

Removes the characters in the range [__i1,__i2). In place, __n copies of __c are inserted. If the length of result exceeds max_size(), length_error is thrown. The value of the string doesn't change if an error is thrown.

_If_sv<_Tp, basic_string&> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::replace (size_type __pos, size_type __n, const _Tp & __svt) [inline], [inherited]¶

Replace range of characters with string_view.

Parameters

Returns

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::replace (size_type __pos, size_type __n, const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str) [inline], [inherited]¶

Replace characters with value from another string.

Parameters

Returns

Exceptions

Removes the characters in the range [__pos,__pos+__n) from this string. In place, the value of __str is inserted. If __pos is beyond end of string, out_of_range is thrown. If the length of the result exceeds max_size(), length_error is thrown. The value of the string doesn't change if an error is thrown.

_If_sv<_Tp, basic_string&> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::replace (size_type __pos1, size_type __n1, const _Tp & __svt, size_type __pos2, size_type __n2 = npos) [inline], [inherited]¶

Replace range of characters with string_view.

Parameters

Returns

basic_string& std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::replace (size_type __pos1, size_type __n1, const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str, size_type __pos2, size_type __n2 = npos) [inline], [inherited]¶

Replace characters with value from another string.

Parameters

Returns

Exceptions

Removes the characters in the range [__pos1,__pos1 + n) from this string. In place, the value of __str is inserted. If __pos is beyond end of string, out_of_range is thrown. If the length of the result exceeds max_size(), length_error is thrown. The value of the string doesn't change if an error is thrown.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> void std::basic_string< _CharT, _Traits, _Alloc >::reserve¶

Equivalent to shrink_to_fit().

void std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::reserve (size_type __res_arg) [inherited]¶

Attempt to preallocate enough memory for specified number of characters.

Parameters

Exceptions

This function attempts to reserve enough memory for the string to hold the specified number of characters. If the number requested is more than max_size(), length_error is thrown.

The advantage of this function is that if optimal code is a necessity and the user can determine the string length that will be required, the user can reserve the memory in advance, and thus prevent a possible reallocation of memory and copying of string data.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> void std::basic_string< _CharT, _Traits, _Alloc >::reserve¶

Attempt to preallocate enough memory for specified number of characters.

Parameters

Exceptions

This function attempts to reserve enough memory for the string to hold the specified number of characters. If the number requested is more than max_size(), length_error is thrown.

The advantage of this function is that if optimal code is a necessity and the user can determine the string length that will be required, the user can reserve the memory in advance, and thus prevent a possible reallocation of memory and copying of string data.

_If_sv<_Tp, size_type> std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::rfind (const _Tp & __svt, size_type __pos = npos) const [inline], [noexcept], [inherited]¶

Find last position of a string_view.

Parameters

Returns

size_type std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::rfind (const basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __str, size_type __pos = npos) const [inline], [noexcept], [inherited]¶

Find last position of a string.

Parameters

Returns

Starting from __pos, searches backward for value of __str within this string. If found, returns the index where it begins. If not found, returns npos.

size_type std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::size () const [inline], [noexcept], [inherited]¶

Returns the number of characters in the string, not including any null-termination.

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> size_type std::basic_string< _CharT, _Traits, _Alloc >::size [inline], [noexcept]¶

Returns the number of characters in the string, not including any null-termination.

void std::basic_string< _CharT, std::char_traits< _CharT > , std::allocator< _CharT > >::swap (basic_string< _CharT, std::char_traits< _CharT >, std::allocator< _CharT > > & __s) [noexcept], [inherited]¶

Swap contents with another string.

Parameters

Exchanges the contents of this string with that of __s in constant time.

_Safe_iterator_base* __gnu_debug::_Safe_sequence_base::_M_const_iterators [inherited]¶

The list of constant iterators that reference this container.

Referenced by __gnu_debug::_Safe_sequence< _Sequence >::_M_transfer_from_if().

_Safe_iterator_base* __gnu_debug::_Safe_sequence_base::_M_iterators [inherited]¶

The list of mutable iterators that reference this container.

Referenced by __gnu_debug::_Safe_sequence< _Sequence >::_M_transfer_from_if().

unsigned int __gnu_debug::_Safe_sequence_base::_M_version [mutable], [inherited]¶

The container version number. This number may never be 0.

Referenced by __gnu_debug::_Safe_sequence_base::_M_invalidate_all().

template<typename _CharT , typename _Traits = std::char_traits<_CharT>, typename _Allocator = std::allocator<_CharT>> const basic_string< _CharT, _Traits, _Alloc >::size_type std::basic_string< _CharT, _Traits, _Alloc >::npos [static]¶

Value returned by various member functions when they fail.