CRB_NULL_VALUE     93 eval.c             v.type = CRB_NULL_VALUE;
CRB_NULL_VALUE    396 eval.c         	result = left->type == CRB_NULL_VALUE && right->type == CRB_NULL_VALUE;
CRB_NULL_VALUE    398 eval.c         	result =  !(left->type == CRB_NULL_VALUE
CRB_NULL_VALUE    399 eval.c         		    && right->type == CRB_NULL_VALUE);
CRB_NULL_VALUE    492 eval.c         	} else if (right_val->type == CRB_NULL_VALUE) {
CRB_NULL_VALUE    499 eval.c             } else if (left_val->type == CRB_NULL_VALUE
CRB_NULL_VALUE    500 eval.c         	       || right_val->type == CRB_NULL_VALUE) {
CRB_NULL_VALUE    644 eval.c         	 value.type = CRB_NULL_VALUE;
CRB_NULL_VALUE    721 eval.c         	    result.type = CRB_NULL_VALUE;
CRB_NULL_VALUE    177 execute.c      	result.u.return_value.type = CRB_NULL_VALUE;
CRB_NULL_VALUE     44 native.c           case CRB_NULL_VALUE:
CRB_NULL_VALUE     66 native.c           value.type = CRB_NULL_VALUE;
CRB_NULL_VALUE     92 native.c       	value.type = CRB_NULL_VALUE;
CRB_NULL_VALUE    110 native.c           value.type = CRB_NULL_VALUE;
CRB_NULL_VALUE    156 native.c       	value.type = CRB_NULL_VALUE;
CRB_NULL_VALUE    170 native.c           value.type = CRB_NULL_VALUE;
CRB_NULL_VALUE    204 native.c       	    ret.u.object->u.array.array[i].type = CRB_NULL_VALUE;