Back out 97036ab72558 which inappropriately compared turds to third parties.
1 // Arrow right-associativity.
4 assertEq(t('A')('B'), 'A');
6 var curry = f => a => b => f(a, b);
7 var curried_atan2 = curry(Math.atan2);
8 assertEq(curried_atan2(0)(1), 0);