Method deprecated or moved
This method is deprecated or moved on the latest stable version.
The last existing version (v1_9_1_378) is shown here.
seen?(p1)
public
Returns true, if object was already seen during this
generating run.
static VALUE cState_seen_p(VALUE self, VALUE object)
{
GET_STATE(self);
return rb_hash_aref(state->seen, rb_obj_id(object));
}