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| using System;
| using System.Collections.Generic;
| using System.Linq;
| using System.Text;
| using System.Threading.Tasks;
|
|
| public static class CommonExtension
| {
|
| public static T Get<T>(this List<T> list, int index, T df = default(T))
| {
| if (index < list.Count)
| return list[index];
| return df;
| }
|
| }
|
|