Method: Hash#environmentize_keys!

Defined in:
lib/extlib/hash.rb

#environmentize_keys! ⇒ Hash

Destructively and non-recursively convert each key to an uppercase string, deleting nil values along the way.

Examples:

{ :name => "Bob", :contact => { :email => "[email protected]" } }.environmentize_keys!
  #=> { "NAME" => "Bob", "CONTACT" => { :email => "[email protected]" } }

Returns:

  • The newly environmentized hash.



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# File 'lib/extlib/hash.rb', line 253

def environmentize_keys!
  keys.each do |key|
    val = delete(key)
    next if val.nil?
    self[key.to_s.upcase] = val
  end
  self
end