> (use '[clojure.contrib.lazy-seqs :only (primes)])
> (def ordinals-and-primes (map vector (iterate inc 1) primes))
>
> map macro has this format:
> (map function collection)
The map function takes a function and any number of collections:
http://clojure.github.com/clojure/clojure.core-api.html#clojure.core/map
> primes is the collection and (iterate inc 1) is the function to apply
> on each element of the collection but how vector is applied here?
In the code you cited, the function is "vector" and the collections are the
remaining arguments.
http://clojure.github.com/clojure/clojure.core-api.html#clojure.core/vector
> But I don't understand the previous method, would you please explain it to me.
The function produces a lazy sequence of vectors of two items, the first an
ordinal and the second a prime.
--Steve
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