= then

then is fork for method chain.

    require 'then'

    [1,2,3,3].then{|list|
      p list
      p list.reverse
    }.uniq.then{ |list|
      p list
      p list.reverse
    }

    # [1, 2, 3, 3]
    # [3, 3, 2, 1]
    # [1, 2, 3]
    # [3, 2, 1]

== Copyright

Copyright (c) 2011 hitode909. See LICENSE.txt for
further details.