public override void CodeGen(OutputContext output)
{
output.Print(Operator);
if (OutputContext.OperatorStartsWithLetter(Operator) ||
OutputContext.OperatorEndsWithPlusOrMinus(Operator) &&
Expression is AstUnaryPrefix nestedUnary &&
OutputContext.OperatorStartsWithPlusOrMinus(nestedUnary.Operator))
{
output.Space();
}
Expression.Print(output);
}