The signer_keys_and_uids example can be much cleaner using Enumerator#with_object: signers.map.with_object({}) { |signer, result| result[signer.key_id] = signe

The signer_keys_and_uids example can be much cleaner using Enumerator#with_object: signers.map.with_object({}) { |signer, result| result[signer.key_id] = signer.uids }