如何避免频繁创建临时对象

1.可以使用Tuple

2.自定义元祖类

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[Serializable] public class Tuple<T1, T2> : IStructuralEquatable, IStructuralComparable, IComparable, ITuple {     // Fields     private T1 m_Item1;     private T2 m_Item2;       // Methods     public Tuple(T1 item1, T2 item2)     {         this.m_Item1 = item1;         this.m_Item2 = item2;     }         string ITuple.ToString(StringBuilder sb)     {         sb.Append(this.m_Item1);         sb.Append(", ");         sb.Append(this.m_Item2);         sb.Append(")");         return sb.ToString();     }       int ITuple.Size     {         get         {             return 2;         }     }       // Properties     public T1 Item1     {         get         {             return this.m_Item1;         }     }       public T2 Item2     {         get         {             return this.m_Item2;         }     }       //More and more... }