Vector - shrink_to_fit()

소스)

#include<vector>
#include<iostream>
 
void print(std::vector<int> Target_Vector)
{
    for (std::vector<int>::iterator IterPos = Target_Vector.begin(); IterPos != Target_Vector.end(); ++IterPos)
        std::cout << *IterPos << " ";
    std::cout << std::endl;
}
 
void main()
{
    std::vector<int> Vector(15,2);
    Vector.reserve(50);
    std::cout << std::endl << "shrink_to_fit()" << std::endl;
    std::cout << "Previous ->"; std::cout << Vector.capacity() << std::endl;
    Vector.shrink_to_fit();
    std::cout << "After ->"; std::cout << Vector.capacity() << std::endl;
 
}

내용)

vector의 capacity를 데이터가 손실 되지 않는 한 최소한으로 만듭니다.

결과)