While.Parsing.Parser.BitAnd C# (CSharp) Method

        void BitAnd(out Expression exp)
        {
            Expression second;
            BitShift(out exp);
            while (la.kind == 37) {
            Get();
            Token tok = t;
            BitShift(out second);
            if (!ExpectInt(exp, tok, false)) { return; }
            if (!ExpectInt(second, tok, true)) { return; }
            exp = new BitwiseAnd((TypedExpression<int>)exp, (TypedExpression<int>)second);
            }
        }