Oops, in the 2nd example, output will equal "Hola", not "Hello" (arr("node1","subNode1")). Also I'm pretty sure numbers are sorted before strings, so in realit

Oops, in the 2nd example, output will equal "Hola", not "Hello" (arr("node1","subNode1")). Also I'm pretty sure numbers are sorted before strings, so in reality on the 1st pass foo would equal 19849.