Meta operators (I)

• One place infinite lazy lists do not work are the hyper meta operators
• The idea is that conceptually they work on the entire list at once
• Indeed, they are allowed to work on its elements in any order, and in parallel
• (In practice, none of the Perl 6 compilers handle parallel processing yet)
• Our first example of a meta operator: an operator built from a simpler operator
• @a »+« @b produces an array which is the sum of the other two arrays
• @a »%%» 2 produces an array of Bools telling which elements of @a are divisible by 2
• ~«@a is effectively the same as @a».Str -- it returns an array of strings

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