Вы можете взять модуль, такой как Enumerable
, и отправить метод methods
, в котором перечислены все методы, которые определяет модуль. Классы, которые включают этот модуль, будут отвечать на эти методы.
>> Enumerable.methods
=> ["inspect", "private_class_method", "const_missing", "clone", "method", "public_methods", "public_instance_methods", "instance_variable_defined?", "method_defined?", "equal?", "freeze", "included_modules", "const_get", "yaml_as", "methods", "respond_to?", "module_eval", "class_variables", "dup", "protected_instance_methods", "instance_variables", "public_method_defined?", "__id__", "object_id", "taguri", "yaml_tag_read_class", "eql?", "const_set", "id", "to_yaml", "taguri=", "singleton_methods", "send", "class_eval", "taint", "frozen?", "instance_variable_get", "include?", "private_instance_methods", "__send__", "instance_of?", "private_method_defined?", "to_a", "name", "to_yaml_style", "autoload", "type", "yaml_tag_class_name", "<", "protected_methods", "instance_eval", "<=>", "==", ">", "display", "===", "instance_method", "instance_variable_set", "to_yaml_properties", "kind_of?", "extend", "protected_method_defined?", "const_defined?", ">=", "ancestors", "to_s", "<=", "public_class_method", "hash", "class", "instance_methods", "tainted?", "=~", "private_methods", "class_variable_defined?", "nil?", "untaint", "constants", "autoload?", "is_a?"]