System.Linq.CachedReflectionInfo.Single_TSource_1 C# (CSharp) Method

        public static MethodInfo Single_TSource_1(Type TSource) =>
             (s_Single_TSource_1 ??
             (s_Single_TSource_1 = new Func<IQueryable<object>, object>(Queryable.Single).GetMethodInfo().GetGenericMethodDefinition()))
              .MakeGenericMethod(TSource);