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值类型去重
List<int> list = new List<int> { 1, 1, 2, 2, 3, 4, 5, 5 };
list.Distinct().ToList().ForEach(s => Console.WriteLine(s));
记录一下经常用到的小技巧吧 合并
List<
int
> listA =
new
List<
int
> {1,2,3,5,7,9};
List<
int
> listB =
new
List<
int
> {13,4,17,29,2};
List<
int
> Result = listA.Union(listB).ToList<
int
>();
//剔除重复项
List<
int
> Result = listA.Concat(listB).ToList<
int
>();
//保留重复项