1 l=[foo] 2 l=[foo, foo2] 3 l2_size()=0 4 Bound Integer(2) constructor: 2 5 BiFunction with literal: unbound, 1, 2 6 BiFunction with literal: unbound, 3, 4 7 BiFunction with literal: unbound, 5, 6 8 BiFunction with function: undefined, 7, 8 9 BiFunction with function: undefined, 9, 10 10 BiFunction with function: undefined, 11, 12