Convert IEnumerable <T> to LookUp<T,K>
本文关键字:gt lt LookUp to Convert IEnumerable | 更新日期: 2023-09-27 18:11:38
我有一个函数,返回以下类
的IEnumerable
public class User
{
public string UserName { get; set; }
public IList<string> MemberOf { get; set; }
}
如何将IEnumerable转换为LookUp
键是用户名,值是memberOf
IEnumerable<User> seq = ...;
ILookup<string, IList<string>> lookup = seq.ToLookup(u => u.UserName, u => u.MemberOf);