[FIXED] What does (1) mean when declaring a vector?

Issue

What does the ...(1) do?

std::vector<std::vector<cv::Point>> tight_contour(1);

Solution

tight_contour is a std::vector object containing elements of type std::vector<cv::Point>. The (1) is constructing tight_contour to hold 1 initial default-constructed element.

Answered By - Remy Lebeau

Answer Checked By - Dawn Plyler (PHPFixing Volunteer)