Closed hafuu closed 7 years ago
NG: https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.singleordefault--1?view=netframework-4.6.2#System_Linq_Enumerable_SingleOrDefault__1_System_Collections_Generic_IEnumerable___0__
OK: https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.singleordefault?view=netframework-4.6.2#System_Linq_Enumerable_SingleOrDefault__1_System_Collections_Generic_IEnumerable___0__
NG: https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.singleordefault--1?view=netframework-4.6.2#System_Linq_Enumerable_SingleOrDefault__1_System_Collections_Generic_IEnumerable___0__
OK: https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.singleordefault?view=netframework-4.6.2#System_Linq_Enumerable_SingleOrDefault__1_System_Collections_Generic_IEnumerable___0__