walkash¶ ↑

Walks nested hashes giving you the power to interact with its inner parts.

kazu@utopia:~/dev/git/walkash$ cat examples/walk_hash.rb

require 'rubygems'
require 'walkash'
require 'pp'

hash = {
  1 => { 2 => { 3 => { 4 => { 5 => { 6 => { 7 => {
    8 => { 9 => {10 => { 'fix' => 'wrong', 'ignore' => 'wrong' }}}}}}}}}}
}

fix_wrong = lambda do |working_hash, key, value|
  working_hash[key] = 'correct' if (key == 'fix') && (value == 'wrong')
end

pp hash
Walkash.walk(hash, [fix_wrong])
pp hash

kazu@utopia:~/dev/git/walkash$ ruby examples/walk_hash.rb

{1=>
  {2=>
    {3=>
      {4=>
        {5=>{6=>{7=>{8=>{9=>{10=>{"ignore"=>"wrong", "fix"=>"wrong"}}}}}}}}}}}
{1=>
  {2=>
    {3=>
      {4=>
        {5=>
          {6=>{7=>{8=>{9=>{10=>{"ignore"=>"wrong", "fix"=>"correct"}}}}}}}}}}}

Copyright © 2012 kazuyoshi tlacaelel. See LICENSE.txt for further details.