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softarn/symbolize_nested_keys.rb

Created August 21, 2012 15:49
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Symbolize keys for nested hashes, tested in ruby 1.8.7
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symbolize_nested_keys.rb
def self.recursive_symbolize_keys! hash
hash.symbolize_keys!
inner = hash.values.select{|v| v.is_a? Hash}.each{|h| recursive_symbolize_keys!(h)}
inner.each {|inner| hash.merge(inner)}
hash
end
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