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std::flat_map<Key,T,Compare,KeyContainer,MappedContainer>::end, std::flat_map<Key,T,Compare,KeyContainer,MappedContainer>::cend

From cppreference.com
< cpp‎ | container‎ | flat map
 
 
 
std::flat_map
 
iterator end() noexcept;
(1) (since C++23)
(constexpr since C++26)
const_iterator end() const noexcept;
(2) (since C++23)
(constexpr since C++26)
const_iterator cend() const noexcept;
(3) (since C++23)
(constexpr since C++26)

Returns an iterator past the last element of *this.

This returned iterator only acts as a sentinel. It is not guaranteed to be dereferenceable.

[edit] Return value

Iterator past the last element.

[edit] Complexity

Constant.

[edit] Example

Run this code
#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';
 
 // Unlike std::map's bidirectional iterators, the std::flat_map iterators
 // are random-access, so they can be used with the operator[]:
 auto it = map.cbegin();
 assert (it[0] == map[1]);
 assert (it[1] == map[4]);
 assert (it[2] == map[9]);
}

Output:

[1] = 1.09
[4] = 4.13
[9] = 9.24

[edit] See also

returns an iterator to the beginning
(public member function) [edit]
(C++11)(C++14)
returns an iterator to the end of a container or array
(function template) [edit]
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