code: function foreach_any() {
  	var args = arguments, args_length = args.length;
  	function _do(f) {
  		var a=0, values;
  		for(; a<args_length; ++a) {
  			values = args[a];
  			if(is.array(values)) foreach_array(values).each(f);
  			else if(is.object(values)) foreach_object(values).each(f);
  			else foreach_single(values).each(f);
  		}
  	}
  	return {'do':_do,'each':_do};
  }
docs: /* Foreach every element in an array or object, otherwise the element itself