Aggregates all methods defined in a class to an
existing object, except for the class constructor, or methods
whose names start with an underscore character (_) which are
considered private to the aggregated class.
See also
aggregate()
,
aggregate_info()
,
aggregate_methods_by_list()
,
aggregate_methods_by_regexp()
,
aggregate_properties()
,
aggregate_properties_by_list()
,
aggregate_properties_by_regexp()
,
deaggregate()