Module: Enumerable

Defined in:
lib/core_ext/enumerable.rb

Instance Method Summary collapse

Instance Method Details

#mean ⇒ Object 



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# File 'lib/core_ext/enumerable.rb', line 2

def mean
  sum / size
end

#symbolize_keys_rec ⇒ Object

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



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# File 'lib/core_ext/enumerable.rb', line 10

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