std::set::begin, std::set::cbegin

iterator begin();

const_iterator begin() const;

const_iterator cbegin() const;

Returns an iterator to the first element of the container.

If the container is empty, the returned iterator will be equal to end().

Parameters

(none).

Return value

Iterator to the first element.

Exceptions

Complexity

Constant.

Example

#include <set>
#include <iostream>
 
int main() {
  std::set<int> set = { 6, 1, 3, 4, 2, 5 };
  for (auto it = set.begin(); it != set.end(); ++it)
    std::cout << *it << "\n";
}

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See also