Loosely related: STL binary search suffers from the same weakness as several other comparator-based STL algorithms for certain classes of expensive comparators:

Loosely related: STL binary search suffers from the same weakness as several other comparator-based STL algorithms for certain classes of expensive comparators: https://www.reddit.com/r/cpp/comments/36sqtq/more_efficient_interface_for_algorithms_taking_a/ https://www.reddit.com/r/cpp/comments/36sqtq/more_efficient_...