4 ms·
Conveniently, this link: https://www.pointfree.co/episodes/ep14-contravariance https://www.pointfree.co/episodes/ep14-contravariance was also on the front page
by cnowacek 8y ago
Conveniently, this link: https://www.pointfree.co/episodes/ep14-contravariance https://www.pointfree.co/episodes/ep14-contravariance was also on the front page of HN. It explores contravariance a bit more and provides some practical examples in Swift.