visitSubterminal method
Implementation
@override
void visitSubterminal(SubterminalExpression node) {
final child = node.expression!;
_setIsOptional(node, child.isOptional);
}
@override
void visitSubterminal(SubterminalExpression node) {
final child = node.expression!;
_setIsOptional(node, child.isOptional);
}