end_mapping

static VALUE end_mapping(VALUE self)
{
    yaml_emitter_t * emitter;
    yaml_event_t event;
    TypedData_Get_Struct(self, yaml_emitter_t, &psych_emitter_type, emitter);

    yaml_mapping_end_event_initialize(&event);

    emit(emitter, &event);

    return self;
}