Flowdock
method

deep_transform_keys

Importance_1
Ruby on Rails latest stable (v4.2.1) - 0 notes - Class: Hash
deep_transform_keys(&block) public

Returns a new hash with all keys converted by the block operation. This includes the keys from the root hash and from all nested hashes and arrays.

hash = { person: { name: 'Rob', age: '28' } }

hash.deep_transform_keys{ |key| key.to_s.upcase }
# => {"PERSON"=>{"NAME"=>"Rob", "AGE"=>"28"}}
Show source
Register or log in to add new notes.