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Recursive symbolize keys #1

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Recursive symbolize keys #1

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680efc5
added recursive symbolize keys, works, but not pretty
jak4 Sep 19, 2011
be9c2b5
refactore as to not collide with rails symbolize_keys method
jak4 Sep 19, 2011
4b74e5d
documentation
jak4 Oct 11, 2011
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20 changes: 20 additions & 0 deletions enumerable.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -2,4 +2,24 @@ module Enumerable
def mean
sum / size
end

# returns a new hash/array
# keeps object references in tact
# symbolize a hash recursivly
# if we encounter an array, we will also call symbolize for every hash or array found
def symbolize_keys_rec
if is_a?(Hash)
inject({}) do |options, (key, value)|
options[(key.to_sym rescue key) || key] = (value.is_a?(Hash)||value.is_a?(Array)) ? value.symbolize_keys_rec : value
options
end
elsif is_a?(Array)
inject([]) do |options, value|
options << ((value.is_a?(Hash)||value.is_a?(Array)) ? value.symbolize_keys_rec : value)
options
end
else
raise Exception.new("Can't do that!")
end
end
end