# File lib/json/add/core.rb, line 81 81: def to_json(*args) 82: klass = self.class.name 83: klass.empty? and raise JSON::JSONError, "Only named structs are supported!" 84: { 85: 'json_class' => klass, 86: 'v' => values, 87: }.to_json(*args) 88: end