The whole problem is that there is a common interface, but it's a PITA to reimplement it every time (which means copy-pasting a little less than 10 lines) when

The whole problem is that there is a common interface, but it's a PITA to reimplement it every time (which means copy-pasting a little less than 10 lines) when every other language gives you sorting with a single, simple, 1-line function (or even a single argument of an already existing function).