Class: Hash

Inherits:
Object show all
Defined in:
lib/support/patches.rb

Instance Method Summary collapse

Instance Method Details

#transform_keys ⇒ Object

Non-mutating version (returns a new hash with transformed keys)



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# File 'lib/support/patches.rb', line 19

def transform_keys
  return enum_for(:transform_keys) unless block_given?
  result = {}
  each_key do |key|
    result[yield(key)] = self[key]
  end
  result
end

#transform_keys! ⇒ Object

Mutating version (modifies the hash in place)



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# File 'lib/support/patches.rb', line 29

def transform_keys!
  return enum_for(:transform_keys!) unless block_given?
  keys.each do |key|
    self[yield(key)] = delete(key)
  end
  self
end