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select, collect, .... all these methods work like a breadth-first search. With functional, it will work like a depth-first search. It's not faster, but it needs lesser memory.

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Denis Knauf b51bd564ef ready for gem		2010-04-19 21:08:49 +02:00
lib	ready for gem	2010-04-19 21:08:49 +02:00
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README.md

Install

gem install functional

Usage

require 'functional'

obj = 0 .. 10**12
Functional.new( obj).select {|i| i.even? }.map {|i| i/3 }.select {|i| i.even? }.each &method( :puts)