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Author: ==== Niranjan Sarade About Augmented Array: ==== The Ruby Array class is extended with some traversing/iterating methods and you will also be able to get and set the individual array elements with indexes as of the indexes were attributes of an array. Example: ==== require 'augmented_array' [nil,1,2,nil,3].nilitems # => 2 [1,2,3,4,5].sum # => 15 [1,2,3,4,5,6]/1 # => [[1], [2], [3], [4], [5], [6]] [1,2,3,4,5,6]/2 # => [[1, 2], [3, 4], [5, 6]] [1,2,3,4,5,6]/8 # => [[1, 2, 3, 4, 5, 6]] []/2 # => [] [1,2,3,4,5].middle # => 3 [1,2,3,4].middle # => [2, 3] [1].middle # => 1 ary = [1,2,3] ary.first = 20 ary.first # => 20 [1,1.0,"test",{:key => "value"}].describe # => [{1=>"Fixnum"}, {1.0=>"Float"}, {"test"=>"String"}, {{:key=>"value"}=>"Hash"}] ary = [1,2,3] ary.last = 20 ary.last # => 20 [1,2,3,4,5].second_last # => 4 [1].second_last # => nil ary = [1,2,3,4,5] ary.alternate # => [[1, 3, 5], [2, 4]] ary # => [1,2,3,4,5] ary = [1,2,3,4,5] ary.alternate! # => [[1, 3, 5], [2, 4]] ary # => [[1, 3, 5], [2, 4]] ary = [1,2,3,4,5,6,7] ary.second = 20 ary.third = 30 ary.fourth = 40 ary.fifth = 50 ary # => [1, 20, 30, 40, 50] ary.second # => 20 ary.third # => 30 ary._0 = 25 ary._0 # => 25 # Similar to ary.at(0) or ary.fetch(0) ary._1 = 10 ary._1 # => 10 ary._11 = 11 ary # => [25, 10, 30, 40, 50, nil, nil, nil, nil, nil, nil, 11] ary.each_index { |index| eval("p ary._#{index}") } ary.each_index { |index| eval("ary._#{index} = 10") } Install: ==== gem install augmented_array (It has been pushed to http://gemcutter.org) OR Download the gem file from http://github.com/NiranjanSarade/augmented_array/ gem install augmented_array-0.0.1.gem Uninstall: ==== gem uninstall augmented_array
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The Ruby Array class is extended with some traversing and other useful methods
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