@Override
public <R, C> R accept(Visitor<R, C> visitor) {
return visitor.visitVariableExp(this);
}
@Override
public <R, C> R accept(Visitor<R, C> visitor) {
return visitor.visitOperationCallExp(this);
}
@Override
public <R, C> R accept(Visitor<R, C> visitor) {
return visitor.visitCollectionLiteralExp(this);
}
