C# (CSharp) Aoc2020_Day18 MathsExpressionの例

コード例 #1

        public object?PartTwo()
        {
            var operatorPrecedence = new[] { '+', '*' };

            return(InputFile.ReadAllLines().Sum(
                       text => MathsExpression.Read(text, operatorPrecedence).Evaluate()));
        }

コード例 #2

 public object?PartOne()
 {
     return(InputFile.ReadAllLines().Sum(
                l => MathsExpression.Read(l).Evaluate()));
 }