Return list in sorted order. It repeatedly calls the function comparator with two elements. The comparator should return true if the first element is less than the second, and false otherwise. For example,

builtins.sort builtins.lessThan [ 483 249 526 147 42 77 ]

produces the list [ 42 77 147 249 483 526 ].

This is a stable sort: it preserves the relative order of elements deemed equal by the comparator.