with builtins; [ (sort lessThan [ 483 249 526 147 42 77 ]) (sort (x: y: y < x) [ 483 249 526 147 42 77 ]) (sort lessThan [ "foo" "bar" "xyzzy" "fnord" ]) (sort (x: y: x.key < y.key) [ { key = 1; value = "foo"; } { key = 2; value = "bar"; } { key = 1; value = "fnord"; } ]) (sort lessThan [ [ 1 6 ] [ ] [ 2 3 ] [ 3 ] [ 1 5 ] [ 2 ] [ 1 ] [ ] [ 1 4 ] [ 3 ] ]) ]