Puppet DSL iterator via define ...

gistfile1.txt

matti@acrux ~ $ cat - | puppet
$a = [ 'a', 'b', 'c' ]
define iterator { notice $name }
iterator { $a:; }
notice: Scope(Iterator[a]): a
notice: Scope(Iterator[b]): b
notice: Scope(Iterator[c]): c
matti@acrux ~ $