Iter::reference,如果合法。 否则是 std::iter_reference_t<Iter>。 iterator_category Iter::iterator_category,如果合法。 否则在 Iter 满足__LegacyRandomAccessIterator 时是std::random_access_iterator_tag。 否则在 Iter 满足__LegacyB
public std::iterator< std::input_iterator_tag, // iterator_category long, // value_type long, // difference_type const long*, // pointer long // reference > { long num = FROM; public: explicit iterator(long _num = 0) : num(_num) {} iterator& operator++() { num = TO >= FRO...
std::counted_iterator Defined in header<iterator> template<std::input_or_output_iteratorI> classcounted_iterator; (since C++20) std::counted_iteratoris an iterator adaptor which behaves exactly like the underlying iterator, except that it keeps track of the distance to the end of its range. ...
std::insert_iterator Defined in header<iterator> template<classContainer> classinsert_iterator:publicstd::iterator<std::output_iterator_tag, void,void,void,void> (until C++17) template<classContainer> classinsert_iterator; (since C++17) std::insert_iteratoris aLegacyOutputIteratorthat inserts element...
classReference=T& >structiterator; (C++17 中弃用) std::iterator是提供以简化迭代器所要求类型定义的基类。 模板形参 Category-迭代器类别。必须是迭代器类别标签之一。 T-能通过解引用迭代器获得的值的类型。此类型对于输出迭代器应为void。 Distance-能用于标识迭代器间距离的类型 ...
class istream_iterator; (C++17 起) std::istream_iterator 是单趟输入迭代器,从为之创建迭代器的 std::basic_istream 对象读取 T 类型的相继对象,通过调用适当的 operator>> 。实际读取操作在自增,而非解引用迭代器时进行。在构造迭代器时读取首个对象。解引用只返回最近读取的对象的副本。
move_iterator(); (1) explicitmove_iterator(Iterator x); (2) template<classU> move_iterator(constmove_iterator<U>&other); (3) Erzeugt ein neues Iterator-Adapter . Original: Constructs a new iterator adaptor. The text has been machine-translated viaGoogle Translate. ...
ostream_iterator output iterator that writes to std::basic_ostream (class template) istreambuf_iterator input iterator that reads from std::basic_streambuf (class template) 代码语言:txt 复制 © cppreference.com 在CreativeCommonsAttribution下授权-ShareAlike未移植许可v3.0。 http://en.cppreference....
istream_iterator input iterator that reads from std::basic_istream (class template) 代码语言:txt 复制 © cppreference.com 在CreativeCommonsAttribution下授权-ShareAlike未移植许可v3.0。 http://en.cppremience.com/w/cpp/iterator/istreambuf[医]迭代器 ...
class _Tp> _LIBCPP_NODISCARD_EXT inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 typename iterator_traits<_InputIterator>::difference_type //注意这一句 count(_InputIterator __first, _InputIterator __last, const _Tp& __value_) { typename iterator_traits<_InputIterator>::differ...