module Hashie::Extensions::DeepFind

my_hash.deep_find(:address) # => '123 Street'
my_hash[:user] = {location: {address: '123 Street'}}
my_hash = MyHash.new

end
include Hashie::Extensions::DeepFind
class MyHash < Hash

options.deep_find(:address) # => '123 Street'
options.extend(Hashie::Extensions::DeepFind)
options = {user: {location: {address: '123 Street'}}}

a key and returns the first occurrence of the key.
Performs a depth-first search on deeply nested data structures for

def deep_find(key)
  _deep_find(key)
end