39#ifndef _BASIC_STRING_TCC
40#define _BASIC_STRING_TCC 1
43#pragma GCC system_header
46#pragma GCC diagnostic push
47#pragma GCC diagnostic ignored "-Wc++11-extensions"
51namespace std _GLIBCXX_VISIBILITY(default)
53_GLIBCXX_BEGIN_NAMESPACE_VERSION
55#if _GLIBCXX_USE_CXX11_ABI
57 template<
typename _CharT,
typename _Traits,
typename _Alloc>
58 const typename basic_string<_CharT, _Traits, _Alloc>::size_type
61 template<
typename _CharT,
typename _Traits,
typename _Alloc>
65 swap(basic_string& __s) _GLIBCXX_NOEXCEPT
70 _Alloc_traits::_S_on_swap(_M_get_allocator(), __s._M_get_allocator());
73 if (__s._M_is_local())
75 if (length() && __s.length())
77 _CharT __tmp_data[_S_local_capacity + 1];
78 traits_type::copy(__tmp_data, __s._M_local_buf,
80 traits_type::copy(__s._M_local_buf, _M_local_buf,
82 traits_type::copy(_M_local_buf, __tmp_data,
85 else if (__s.length())
88 traits_type::copy(_M_local_buf, __s._M_local_buf,
90 _M_length(__s.length());
96 __s._M_init_local_buf();
97 traits_type::copy(__s._M_local_buf, _M_local_buf,
99 __s._M_length(length());
106 const size_type __tmp_capacity = __s._M_allocated_capacity;
107 __s._M_init_local_buf();
108 traits_type::copy(__s._M_local_buf, _M_local_buf,
110 _M_data(__s._M_data());
111 __s._M_data(__s._M_local_buf);
112 _M_capacity(__tmp_capacity);
116 const size_type __tmp_capacity = _M_allocated_capacity;
117 if (__s._M_is_local())
120 traits_type::copy(_M_local_buf, __s._M_local_buf,
122 __s._M_data(_M_data());
123 _M_data(_M_local_buf);
127 pointer __tmp_ptr = _M_data();
128 _M_data(__s._M_data());
129 __s._M_data(__tmp_ptr);
130 _M_capacity(__s._M_allocated_capacity);
132 __s._M_capacity(__tmp_capacity);
135 const size_type __tmp_length = length();
136 _M_length(__s.length());
137 __s._M_length(__tmp_length);
140 template<
typename _CharT,
typename _Traits,
typename _Alloc>
142 typename basic_string<_CharT, _Traits, _Alloc>::pointer
143 basic_string<_CharT, _Traits, _Alloc>::
144 _M_create(size_type& __capacity, size_type __old_capacity)
148 if (__capacity > max_size())
149 std::__throw_length_error(__N(
"basic_string::_M_create"));
154 if (__capacity > __old_capacity && __capacity < 2 * __old_capacity)
156 __capacity = 2 * __old_capacity;
158 if (__capacity > max_size())
159 __capacity = max_size();
164 return _S_allocate(_M_get_allocator(), __capacity + 1);
171 template<
typename _CharT,
typename _Traits,
typename _Alloc>
172 template<
typename _InIterator>
175 basic_string<_CharT, _Traits, _Alloc>::
176 _M_construct(_InIterator __beg, _InIterator __end,
180 size_type __capacity = size_type(_S_local_capacity);
184 while (__beg != __end && __len < __capacity)
186 _M_local_buf[__len++] = *__beg;
193 explicit _Guard(basic_string* __s) : _M_guarded(__s) { }
196 ~_Guard() {
if (_M_guarded) _M_guarded->_M_dispose(); }
198 basic_string* _M_guarded;
201 while (__beg != __end)
203 if (__len == __capacity)
206 __capacity = __len + 1;
207 pointer __another = _M_create(__capacity, __len);
208 this->_S_copy(__another, _M_data(), __len);
211 _M_capacity(__capacity);
213 traits_type::assign(_M_data()[__len++], *__beg);
217 __guard._M_guarded = 0;
219 _M_set_length(__len);
222 template<
typename _CharT,
typename _Traits,
typename _Alloc>
223 template<
typename _InIterator>
226 basic_string<_CharT, _Traits, _Alloc>::
227 _M_construct(_InIterator __beg, _InIterator __end,
230 size_type __dnew =
static_cast<size_type
>(
std::distance(__beg, __end));
232 if (__dnew > size_type(_S_local_capacity))
234 _M_data(_M_create(__dnew, size_type(0)));
244 explicit _Guard(basic_string* __s) : _M_guarded(__s) { }
247 ~_Guard() {
if (_M_guarded) _M_guarded->_M_dispose(); }
249 basic_string* _M_guarded;
252 this->_S_copy_chars(_M_data(), __beg, __end);
254 __guard._M_guarded = 0;
256 _M_set_length(__dnew);
259 template<
typename _CharT,
typename _Traits,
typename _Alloc>
262 basic_string<_CharT, _Traits, _Alloc>::
263 _M_construct(size_type __n, _CharT __c)
265 if (__n > size_type(_S_local_capacity))
267 _M_data(_M_create(__n, size_type(0)));
274 this->_S_assign(_M_data(), __n, __c);
279 template<
typename _CharT,
typename _Traits,
typename _Alloc>
282 basic_string<_CharT, _Traits, _Alloc>::
283 _M_assign(
const basic_string& __str)
287 const size_type __rsize = __str.length();
288 const size_type __capacity = capacity();
290 if (__rsize > __capacity)
292 size_type __new_capacity = __rsize;
293 pointer __tmp = _M_create(__new_capacity, __capacity);
296 _M_capacity(__new_capacity);
300 this->_S_copy(_M_data(), __str._M_data(), __rsize);
302 _M_set_length(__rsize);
306 template<
typename _CharT,
typename _Traits,
typename _Alloc>
312 const size_type __capacity = capacity();
317 if (__res <= __capacity)
320 pointer __tmp = _M_create(__res, __capacity);
321 this->_S_copy(__tmp, _M_data(), length() + 1);
327 template<
typename _CharT,
typename _Traits,
typename _Alloc>
330 basic_string<_CharT, _Traits, _Alloc>::
331 _M_mutate(size_type __pos, size_type __len1,
const _CharT* __s,
334 const size_type __how_much = length() - __pos - __len1;
336 size_type __new_capacity = length() + __len2 - __len1;
337 pointer __r = _M_create(__new_capacity, capacity());
340 this->_S_copy(__r, _M_data(), __pos);
342 this->_S_copy(__r + __pos, __s, __len2);
344 this->_S_copy(__r + __pos + __len2,
345 _M_data() + __pos + __len1, __how_much);
349 _M_capacity(__new_capacity);
352 template<
typename _CharT,
typename _Traits,
typename _Alloc>
355 basic_string<_CharT, _Traits, _Alloc>::
356 _M_erase(size_type __pos, size_type __n)
358 const size_type __how_much = length() - __pos - __n;
360 if (__how_much && __n)
361 this->_S_move(_M_data() + __pos, _M_data() + __pos + __n, __how_much);
363 _M_set_length(length() - __n);
366 template<
typename _CharT,
typename _Traits,
typename _Alloc>
375 const size_type __length = length();
376 const size_type __capacity = _M_allocated_capacity;
378 if (__length <= size_type(_S_local_capacity))
381 this->_S_copy(_M_local_buf, _M_data(), __length + 1);
382 _M_destroy(__capacity);
383 _M_data(_M_local_data());
386 else if (__length < __capacity)
389 pointer __tmp = _S_allocate(_M_get_allocator(), __length + 1);
390 this->_S_copy(__tmp, _M_data(), __length + 1);
393 _M_capacity(__length);
402 template<
typename _CharT,
typename _Traits,
typename _Alloc>
406 resize(size_type __n, _CharT __c)
408 const size_type __size = this->
size();
410 this->append(__n - __size, __c);
411 else if (__n < __size)
412 this->_M_set_length(__n);
415 template<
typename _CharT,
typename _Traits,
typename _Alloc>
417 basic_string<_CharT, _Traits, _Alloc>&
418 basic_string<_CharT, _Traits, _Alloc>::
419 _M_append(
const _CharT* __s, size_type __n)
421 const size_type __len = __n + this->
size();
423 if (__len <= this->capacity())
426 this->_S_copy(this->_M_data() + this->
size(), __s, __n);
429 this->_M_mutate(this->
size(), size_type(0), __s, __n);
431 this->_M_set_length(__len);
435 template<
typename _CharT,
typename _Traits,
typename _Alloc>
436 template<
typename _InputIterator>
438 basic_string<_CharT, _Traits, _Alloc>&
439 basic_string<_CharT, _Traits, _Alloc>::
440 _M_replace_dispatch(const_iterator __i1, const_iterator __i2,
441 _InputIterator __k1, _InputIterator __k2,
446 const basic_string __s(__k1, __k2, this->get_allocator());
447 const size_type __n1 = __i2 - __i1;
448 return _M_replace(__i1 -
begin(), __n1, __s._M_data(),
452 template<
typename _CharT,
typename _Traits,
typename _Alloc>
454 basic_string<_CharT, _Traits, _Alloc>&
455 basic_string<_CharT, _Traits, _Alloc>::
456 _M_replace_aux(size_type __pos1, size_type __n1, size_type __n2,
459 _M_check_length(__n1, __n2,
"basic_string::_M_replace_aux");
461 const size_type __old_size = this->
size();
462 const size_type __new_size = __old_size + __n2 - __n1;
464 if (__new_size <= this->capacity())
466 pointer __p = this->_M_data() + __pos1;
468 const size_type __how_much = __old_size - __pos1 - __n1;
469 if (__how_much && __n1 != __n2)
470 this->_S_move(__p + __n2, __p + __n1, __how_much);
473 this->_M_mutate(__pos1, __n1, 0, __n2);
476 this->_S_assign(this->_M_data() + __pos1, __n2, __c);
478 this->_M_set_length(__new_size);
482 template<
typename _CharT,
typename _Traits,
typename _Alloc>
483 __attribute__((__noinline__, __noclone__, __cold__))
void
484 basic_string<_CharT, _Traits, _Alloc>::
485 _M_replace_cold(pointer __p, size_type __len1,
const _CharT* __s,
486 const size_type __len2,
const size_type __how_much)
489 if (__len2 && __len2 <= __len1)
490 this->_S_move(__p, __s, __len2);
491 if (__how_much && __len1 != __len2)
492 this->_S_move(__p + __len2, __p + __len1, __how_much);
495 if (__s + __len2 <= __p + __len1)
496 this->_S_move(__p, __s, __len2);
497 else if (__s >= __p + __len1)
501 const size_type __poff = (__s - __p) + (__len2 - __len1);
502 this->_S_copy(__p, __p + __poff, __len2);
506 const size_type __nleft = (__p + __len1) - __s;
507 this->_S_move(__p, __s, __nleft);
508 this->_S_copy(__p + __nleft, __p + __len2, __len2 - __nleft);
513 template<
typename _CharT,
typename _Traits,
typename _Alloc>
515 basic_string<_CharT, _Traits, _Alloc>&
516 basic_string<_CharT, _Traits, _Alloc>::
517 _M_replace(size_type __pos, size_type __len1,
const _CharT* __s,
518 const size_type __len2)
520 _M_check_length(__len1, __len2,
"basic_string::_M_replace");
522 const size_type __old_size = this->
size();
523 const size_type __new_size = __old_size + __len2 - __len1;
525 if (__new_size <= this->capacity())
527 pointer __p = this->_M_data() + __pos;
529 const size_type __how_much = __old_size - __pos - __len1;
530#if __cpp_lib_is_constant_evaluated
531 if (std::is_constant_evaluated())
533 auto __newp = _S_allocate(_M_get_allocator(), __new_size);
534 _S_copy(__newp, this->_M_data(), __pos);
535 _S_copy(__newp + __pos, __s, __len2);
536 _S_copy(__newp + __pos + __len2, __p + __len1, __how_much);
537 _S_copy(this->_M_data(), __newp, __new_size);
538 this->_M_get_allocator().deallocate(__newp, __new_size);
542 if (__builtin_expect(_M_disjunct(__s),
true))
544 if (__how_much && __len1 != __len2)
545 this->_S_move(__p + __len2, __p + __len1, __how_much);
547 this->_S_copy(__p, __s, __len2);
550 _M_replace_cold(__p, __len1, __s, __len2, __how_much);
553 this->_M_mutate(__pos, __len1, __s, __len2);
555 this->_M_set_length(__new_size);
559 template<
typename _CharT,
typename _Traits,
typename _Alloc>
561 typename basic_string<_CharT, _Traits, _Alloc>::size_type
563 copy(_CharT* __s, size_type __n, size_type __pos)
const
565 _M_check(__pos,
"basic_string::copy");
566 __n = _M_limit(__pos, __n);
567 __glibcxx_requires_string_len(__s, __n);
569 _S_copy(__s, _M_data() + __pos, __n);
574#ifdef __glibcxx_string_resize_and_overwrite
575 template<
typename _CharT,
typename _Traits,
typename _Alloc>
576 template<
typename _Operation>
577 [[__gnu__::__always_inline__]]
581 { resize_and_overwrite<_Operation&>(__n, __op); }
584#if __cplusplus >= 201103L
585 template<
typename _CharT,
typename _Traits,
typename _Alloc>
586 template<
typename _Operation>
587 _GLIBCXX20_CONSTEXPR
void
588 basic_string<_CharT, _Traits, _Alloc>::
589#ifdef __glibcxx_string_resize_and_overwrite
590 resize_and_overwrite(
const size_type __n, _Operation __op)
592 __resize_and_overwrite(
const size_type __n, _Operation __op)
596 _CharT*
const __p = _M_data();
597#if __cpp_lib_is_constant_evaluated
598 if (std::__is_constant_evaluated() && __n >
size())
599 traits_type::assign(__p +
size(), __n -
size(), _CharT());
602 _GLIBCXX20_CONSTEXPR ~_Terminator() { _M_this->_M_set_length(_M_r); }
603 basic_string* _M_this;
606 _Terminator __term{
this, 0};
607 auto __r =
std::move(__op)(__p + 0, __n + 0);
608#ifdef __cpp_lib_concepts
609 static_assert(ranges::__detail::__is_integer_like<
decltype(__r)>);
611 static_assert(__gnu_cxx::__is_integer_nonstrict<
decltype(__r)>::__value,
612 "resize_and_overwrite operation must return an integer");
614 _GLIBCXX_DEBUG_ASSERT(__r >= 0 && size_type(__r) <= __n);
615 __term._M_r = size_type(__r);
616 if (__term._M_r > __n)
617 __builtin_unreachable();
623#if __glibcxx_constexpr_string >= 201907L
624# define _GLIBCXX_STRING_CONSTEXPR constexpr
626# define _GLIBCXX_STRING_CONSTEXPR
628 template<
typename _CharT,
typename _Traits,
typename _Alloc>
629 _GLIBCXX_STRING_CONSTEXPR
630 typename basic_string<_CharT, _Traits, _Alloc>::size_type
632 find(
const _CharT* __s, size_type __pos, size_type __n)
const
635 __glibcxx_requires_string_len(__s, __n);
636 const size_type __size = this->
size();
639 return __pos <= __size ? __pos : npos;
643 const _CharT __elem0 = __s[0];
644 const _CharT*
const __data =
data();
645 const _CharT* __first = __data + __pos;
646 const _CharT*
const __last = __data + __size;
647 size_type __len = __size - __pos;
652 __first = traits_type::find(__first, __len - __n + 1, __elem0);
658 if (traits_type::compare(__first, __s, __n) == 0)
659 return __first - __data;
660 __len = __last - ++__first;
665 template<
typename _CharT,
typename _Traits,
typename _Alloc>
666 _GLIBCXX_STRING_CONSTEXPR
667 typename basic_string<_CharT, _Traits, _Alloc>::size_type
669 find(_CharT __c, size_type __pos)
const _GLIBCXX_NOEXCEPT
671 size_type __ret = npos;
672 const size_type __size = this->
size();
675 const _CharT* __data = _M_data();
676 const size_type __n = __size - __pos;
677 const _CharT* __p = traits_type::find(__data + __pos, __n, __c);
679 __ret = __p - __data;
684 template<
typename _CharT,
typename _Traits,
typename _Alloc>
685 _GLIBCXX_STRING_CONSTEXPR
686 typename basic_string<_CharT, _Traits, _Alloc>::size_type
688 rfind(
const _CharT* __s, size_type __pos, size_type __n)
const
691 __glibcxx_requires_string_len(__s, __n);
692 const size_type __size = this->
size();
695 __pos =
std::min(size_type(__size - __n), __pos);
696 const _CharT* __data = _M_data();
699 if (traits_type::compare(__data + __pos, __s, __n) == 0)
707 template<
typename _CharT,
typename _Traits,
typename _Alloc>
708 _GLIBCXX_STRING_CONSTEXPR
709 typename basic_string<_CharT, _Traits, _Alloc>::size_type
711 rfind(_CharT __c, size_type __pos)
const _GLIBCXX_NOEXCEPT
713 size_type __size = this->
size();
716 if (--__size > __pos)
718 for (++__size; __size-- > 0; )
719 if (traits_type::eq(_M_data()[__size], __c))
725 template<
typename _CharT,
typename _Traits,
typename _Alloc>
726 _GLIBCXX_STRING_CONSTEXPR
727 typename basic_string<_CharT, _Traits, _Alloc>::size_type
729 find_first_of(
const _CharT* __s, size_type __pos, size_type __n)
const
732 __glibcxx_requires_string_len(__s, __n);
733 for (; __n && __pos < this->
size(); ++__pos)
735 const _CharT* __p = traits_type::find(__s, __n, _M_data()[__pos]);
742 template<
typename _CharT,
typename _Traits,
typename _Alloc>
743 _GLIBCXX_STRING_CONSTEXPR
744 typename basic_string<_CharT, _Traits, _Alloc>::size_type
746 find_last_of(
const _CharT* __s, size_type __pos, size_type __n)
const
749 __glibcxx_requires_string_len(__s, __n);
750 size_type __size = this->
size();
753 if (--__size > __pos)
757 if (traits_type::find(__s, __n, _M_data()[__size]))
760 while (__size-- != 0);
765 template<
typename _CharT,
typename _Traits,
typename _Alloc>
766 _GLIBCXX_STRING_CONSTEXPR
767 typename basic_string<_CharT, _Traits, _Alloc>::size_type
772 __glibcxx_requires_string_len(__s, __n);
773 for (; __pos < this->
size(); ++__pos)
774 if (!traits_type::find(__s, __n, _M_data()[__pos]))
779 template<
typename _CharT,
typename _Traits,
typename _Alloc>
780 _GLIBCXX_STRING_CONSTEXPR
781 typename basic_string<_CharT, _Traits, _Alloc>::size_type
785 for (; __pos < this->
size(); ++__pos)
786 if (!traits_type::eq(_M_data()[__pos], __c))
791 template<
typename _CharT,
typename _Traits,
typename _Alloc>
792 _GLIBCXX_STRING_CONSTEXPR
793 typename basic_string<_CharT, _Traits, _Alloc>::size_type
798 __glibcxx_requires_string_len(__s, __n);
799 size_type __size = this->
size();
802 if (--__size > __pos)
806 if (!traits_type::find(__s, __n, _M_data()[__size]))
814 template<
typename _CharT,
typename _Traits,
typename _Alloc>
815 _GLIBCXX_STRING_CONSTEXPR
816 typename basic_string<_CharT, _Traits, _Alloc>::size_type
820 size_type __size = this->
size();
823 if (--__size > __pos)
827 if (!traits_type::eq(_M_data()[__size], __c))
835#undef _GLIBCXX_STRING_CONSTEXPR
838 template<
typename _CharT,
typename _Traits,
typename _Alloc>
845 typedef typename __istream_type::ios_base __ios_base;
846 typedef typename __istream_type::int_type __int_type;
847 typedef typename __string_type::size_type __size_type;
849 typedef typename __ctype_type::ctype_base __ctype_base;
851 __size_type __extracted = 0;
852 typename __ios_base::iostate __err = __ios_base::goodbit;
853 typename __istream_type::sentry __cerb(__in,
false);
861 __size_type __len = 0;
863 const __size_type __n = __w > 0 ?
static_cast<__size_type
>(__w)
866 const __int_type __eof = _Traits::eof();
867 __int_type __c = __in.
rdbuf()->sgetc();
869 while (__extracted < __n
870 && !_Traits::eq_int_type(__c, __eof)
871 && !__ct.is(__ctype_base::space,
872 _Traits::to_char_type(__c)))
874 if (__len ==
sizeof(__buf) /
sizeof(_CharT))
876 __str.
append(__buf,
sizeof(__buf) /
sizeof(_CharT));
879 __buf[__len++] = _Traits::to_char_type(__c);
881 __c = __in.
rdbuf()->snextc();
883 __str.
append(__buf, __len);
885 if (__extracted < __n && _Traits::eq_int_type(__c, __eof))
886 __err |= __ios_base::eofbit;
891 __in._M_setstate(__ios_base::badbit);
892 __throw_exception_again;
899 __in._M_setstate(__ios_base::badbit);
904 __err |= __ios_base::failbit;
910 template<
typename _CharT,
typename _Traits,
typename _Alloc>
911 basic_istream<_CharT, _Traits>&
917 typedef typename __istream_type::ios_base __ios_base;
918 typedef typename __istream_type::int_type __int_type;
919 typedef typename __string_type::size_type __size_type;
921 __size_type __extracted = 0;
922 const __size_type __n = __str.
max_size();
923 typename __ios_base::iostate __err = __ios_base::goodbit;
924 typename __istream_type::sentry __cerb(__in,
true);
930 const __int_type __idelim = _Traits::to_int_type(__delim);
931 const __int_type __eof = _Traits::eof();
932 __int_type __c = __in.
rdbuf()->sgetc();
934 while (__extracted < __n
935 && !_Traits::eq_int_type(__c, __eof)
936 && !_Traits::eq_int_type(__c, __idelim))
938 __str += _Traits::to_char_type(__c);
940 __c = __in.
rdbuf()->snextc();
943 if (_Traits::eq_int_type(__c, __eof))
944 __err |= __ios_base::eofbit;
945 else if (_Traits::eq_int_type(__c, __idelim))
948 __in.
rdbuf()->sbumpc();
951 __err |= __ios_base::failbit;
955 __in._M_setstate(__ios_base::badbit);
956 __throw_exception_again;
963 __in._M_setstate(__ios_base::badbit);
967 __err |= __ios_base::failbit;
975#if _GLIBCXX_EXTERN_TEMPLATE
981# if __cplusplus <= 201703L && _GLIBCXX_EXTERN_TEMPLATE > 0
982 extern template class basic_string<char>;
983# elif ! _GLIBCXX_USE_CXX11_ABI
986 extern template basic_string<char>::size_type
987 basic_string<char>::_Rep::_S_empty_rep_storage[];
988# elif _GLIBCXX_EXTERN_TEMPLATE > 0
991 basic_string<char>::_M_replace_cold(
char *, size_type,
const char*,
992 const size_type,
const size_type);
1000 operator<<(basic_ostream<char>&,
const string&);
1002 basic_istream<char>&
1003 getline(basic_istream<char>&,
string&,
char);
1005 basic_istream<char>&
1006 getline(basic_istream<char>&,
string&);
1008#ifdef _GLIBCXX_USE_WCHAR_T
1009# if __cplusplus <= 201703L && _GLIBCXX_EXTERN_TEMPLATE > 0
1010 extern template class basic_string<wchar_t>;
1011# elif ! _GLIBCXX_USE_CXX11_ABI
1012 extern template basic_string<wchar_t>::size_type
1013 basic_string<wchar_t>::_Rep::_S_empty_rep_storage[];
1014# elif _GLIBCXX_EXTERN_TEMPLATE > 0
1016 extern template void
1017 basic_string<wchar_t>::_M_replace_cold(
wchar_t*, size_type,
const wchar_t*,
1018 const size_type,
const size_type);
1022 basic_istream<wchar_t>&
1025 basic_ostream<wchar_t>&
1028 basic_istream<wchar_t>&
1031 basic_istream<wchar_t>&
1036_GLIBCXX_END_NAMESPACE_VERSION
1039#pragma GCC diagnostic pop
constexpr std::remove_reference< _Tp >::type && move(_Tp &&__t) noexcept
Convert a value to an rvalue.
constexpr _Tp * __addressof(_Tp &__r) noexcept
Same as C++11 std::addressof.
_Tp * begin(valarray< _Tp > &__va) noexcept
Return an iterator pointing to the first element of the valarray.
constexpr const _Tp & min(const _Tp &, const _Tp &)
This does what you think it does.
const _Facet & use_facet(const locale &__loc)
Return a facet.
basic_string< wchar_t > wstring
A string of wchar_t.
ISO C++ entities toplevel namespace is std.
ptrdiff_t streamsize
Integral type for I/O operation counts and buffer sizes.
basic_istream< _CharT, _Traits > & getline(basic_istream< _CharT, _Traits > &__is, basic_string< _CharT, _Traits, _Alloc > &__str, _CharT __delim)
Read a line from stream into a string.
constexpr iterator_traits< _InputIterator >::difference_type distance(_InputIterator __first, _InputIterator __last)
A generalization of pointer arithmetic.
constexpr auto size(const _Container &__cont) noexcept(noexcept(__cont.size())) -> decltype(__cont.size())
Return the size of a container.
std::basic_istream< _CharT, _Traits > & operator>>(std::basic_istream< _CharT, _Traits > &__is, bitset< _Nb > &__x)
Global I/O operators for bitsets.
std::basic_ostream< _CharT, _Traits > & operator<<(std::basic_ostream< _CharT, _Traits > &__os, const bitset< _Nb > &__x)
Global I/O operators for bitsets.
constexpr auto data(_Container &__cont) noexcept(noexcept(__cont.data())) -> decltype(__cont.data())
Return the data pointer of a container.
void setstate(iostate __state)
Sets additional flags in the error state.
basic_streambuf< _CharT, _Traits > * rdbuf() const
Accessing the underlying buffer.
Template class basic_istream.
Managing sequences of characters and character-like objects.
constexpr 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.
constexpr size_type find(const _CharT *__s, size_type __pos, size_type __n) const noexcept
Find position of a C substring.
constexpr size_type copy(_CharT *__s, size_type __n, size_type __pos=0) const
Copy substring into C string.
constexpr size_type find_first_of(const basic_string &__str, size_type __pos=0) const noexcept
Find position of a character of string.
constexpr void resize(size_type __n, _CharT __c)
Resizes the string to the specified number of characters.
constexpr void __resize_and_overwrite(size_type __n, _Operation __op)
Non-standard version of resize_and_overwrite for C++11 and above.
constexpr size_type rfind(const basic_string &__str, size_type __pos=npos) const noexcept
Find last position of a string.
constexpr basic_string & append(const basic_string &__str)
Append a string to this string.
constexpr size_type find_last_of(const basic_string &__str, size_type __pos=npos) const noexcept
Find last position of a character of string.
constexpr size_type find_first_not_of(const basic_string &__str, size_type __pos=0) const noexcept
Find position of a character not in string.
constexpr basic_string & erase(size_type __pos=0, size_type __n=npos)
Remove characters.
static const size_type npos
Value returned by various member functions when they fail.
constexpr size_type max_size() const noexcept
Returns the size() of the largest possible string.
constexpr void swap(basic_string &__s) noexcept
Swap contents with another string.
Thrown as part of forced unwinding.
streamsize width() const
Flags access.
locale getloc() const
Locale access.
Primary class template ctype facet.
Forward iterators support a superset of input iterator operations.