1) 正向迭代器定义方法:容器类名::iterator 迭代器名; 2) 常量正向迭代器定义方法:容器类名::const_iterator 迭代器名; 3) 反向迭代器,定义方法如下:容器类名::reverse_iterator 迭代器名; 4) 常量反向迭代器,定义方法如下:容器类名::const_reverse_iterator 迭代器名; 下面就用
class Iterator { public: Iterator(int x) : x_(x) {} int operator*() const { return x_; } Iterator& operator++() { ++x_; return *this; } bool operator==(const Iterator& other) const { return x_ == other.x_; } bool operator!=(const Iterator& ...
代理模式(举例:iterator有点代理模式的意思)原型模式(举例:实现boost库中的any时需要用到的clone方法)模板方法模式(《Effective CPP》条款35:考虑virtual函数以外的其他选择 有介绍,但是举的例子感觉不是很好,感觉最大的突出点是事前和事后,之后看了《大话设计模式》对模板方法的介绍,感觉它的最大特点应该是实现最大...
const_iterator end()const{return&objects[size()]; }staticconstintspare_capacity =16;private:intthesize;intthecapacity;object*objects; };
void _M_erase_aux(const_iterator __position) { _Link_type __y = static_cast<_Link_type>(_Rb_tree_rebalance_for_erase (const_cast<_Base_ptr>(__position._M_node), this->_M_impl._M_header)); _M_drop_node(__y); --_M_impl._M_node_count; ...
/*maybe-const*/ 的定义见 maybe-const 。 重载数据成员 parent_ it_ (1) 以nullptr 初始化 默认初始化 (2) 以it.parent_ 初始化 以base-iter (std::in_place_index<I>, std::get<I>(std::move(it.it_ ))) 初始化 (where I is it.it_ .index()) ...
/// Positions the iterator at the next node in the Timer Queue virtual void next (void) = 0; /// Returns true when there are no more nodes in the sequence virtual bool isdone (void) const = 0; /// Returns the node at the current position in the sequence ...
std::basic_const_iterator From cppreference.com <cpp |iterator Iterator concepts indirectly_readable (C++20) indirectly_writable (C++20) weakly_incrementable (C++20) incrementable (C++20) input_or_output_iterator (C++20) sentinel_for
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iter_value_titer_reference_titer_const_reference_titer_difference_titer_rvalue_reference_titer_common_reference_t (C++20)(C++20)(C++23)(C++20)(C++20)(C++20) computes the associated types of an iterator (alias template) Iterator primitives ...