class RSpec::Core::Metadata::HashPopulator

def populate
  ensure_valid_user_keys
  metadata[:block]            = block
  metadata[:description_args] = description_args
  metadata[:description]      = build_description_from(*metadata[:description_args])
  metadata[:full_description] = full_description
  metadata[:described_class]  = described_class
  populate_location_attributes
  metadata.update(user_metadata)
end