boost 循环缓冲区
#include <boost/circular_buffer.hpp>
int _tmain(int argc, _TCHAR* argv[])
{
boost::circular_buffer<int> cb(3);
// Insert some elements into the buffer.
cb.push_back(1);
cb.push_back(2);
cb.push_back(3);
int a = cb[0]; // a == 1
int b = cb[1]; // b == 2
int c = cb[2]; // c == 3
// The buffer is full now, pushing subsequent
// elements will overwrite the front-most elements.
cb.push_back(4); // Overwrite 1 with 4.
cb.push_back(5); // Overwrite 2 with 5.
// The buffer now contains 3, 4 and 5.
a = cb[0]; // a == 3
b = cb[1]; // b == 4
c = cb[2]; // c == 5
// Elements can be popped from either the front or the back.
cb.pop_back(); // 5 is removed.
cb.pop_front(); // 3 is removed.
int d = cb[0]; // d == 4
return 0;
}
#include <boost/circular_buffer.h
