/// <summary>
/// 如果序列中不包含任何元素，则返回默认值。
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="thisValue"></param>
/// <returns></returns>
public static T ToFirstOrDefault <T>(this Taskable <T> thisValue) where T : class
{
var isClass = typeof(T).IsClass;
if (!isClass)
{
Check.Exception(isClass, "TaskExtensions.ToSingle.thisValue T只能为class。");
}
return(thisValue.MergeEntities <T>().FirstOrDefault());
}
/// <summary>
/// 将Task中的结果集合并成List集成
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="thisValue"></param>
/// <returns></returns>
public static List <T> ToList <T>(this Taskable <T> thisValue) where T : class
{
var isClass = typeof(T).IsClass;
if (!isClass)
{
Check.Exception(isClass, "TaskExtensions.ToList.thisValue T只能为class。");
}
return(thisValue.MergeEntities <T>());
}