ClrPlus.Scripting.MsBuild.Packaging.PivotsExpression.ToString C# (CSharp) Method

        public override string ToString()
        {
            if (invariant) {
                if (invariant_result)
                    return "PivotsExpression.TrueExpression";
                else
                    return "PivotsExpression.FalseExpression";
            }
            StringBuilder res = new StringBuilder();
            bool first_combination = true;
            foreach (var combination in matching_combinations) {
                if (!first_combination)
                    res.Append("|");
                res.Append("(");
                bool first_value = true;
                foreach (var item in combination) {
                    if (!first_value)
                        res.Append(",");
                    res.Append(item);
                    first_value = false;
                }
                res.Append(")");
                first_combination = false;
            }
            return res.ToString();
        }