std::flat_map<Key,T,Compare,KeyContainer,MappedContainer>:: end, std::flat_map<Key,T,Compare,KeyContainer,MappedContainer>:: cend
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iterator end
(
)
noexcept
;
|
(1) |
(自 C++23 起)
(自 C++26 起为 constexpr) |
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const_iterator end
(
)
const
noexcept
;
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(2) |
(自 C++23 起)
(自 C++26 起为 constexpr) |
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const_iterator cend
(
)
const
noexcept
;
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(3) |
(自 C++23 起)
(自 C++26 起为 constexpr) |
返回指向 * this 最后一个元素之后位置的迭代器。
此返回的迭代器仅作为哨兵使用。不保证其具有 可解引用性 。
目录 |
返回值
指向最后一个元素之后的迭代器。
复杂度
常量。
示例
运行此代码
#include <iostream> #include <flat_map> int main() { std::flat_map<int, double> map{{4, 4.13}, {9, 9.24}, {1, 1.09}}; for (auto it = map.cbegin(); it != map.cend(); ++it) std::cout << '[' << it->first << "] = " << it->second << '\n'; // 与 std::map 的双向迭代器不同，std::flat_map 的迭代器 // 是随机访问迭代器，因此可以与 operator[] 一起使用： auto it = map.cbegin(); assert(it[0] == map[1]); assert(it[1] == map[4]); assert(it[2] == map[9]); }
输出：
[1] = 1.09 [4] = 4.13 [9] = 9.24
参见
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返回指向起始位置的迭代器
(公开成员函数) |
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(C++11)
(C++14)
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返回指向容器或数组末尾的迭代器
(函数模板) |