Robuta

https://learn.microsoft.com/en-gb/dotnet/api/system.collections.frozen.frozenset.tofrozenset?view=net-10.0&viewFallbackFrom=net-9.0-pp FrozenSet.ToFrozenSetT(IEnumerableT, IEqualityComparerT) Method (System.Collections.Frozen) |... method system collections frozen https://learn.microsoft.com/en-us/dotnet/api/system.collections.frozen.frozenset.tofrozenset?view=net-11.0-pp&viewFallbackFrom=windowsdesktop-10.0 FrozenSet.ToFrozenSetT(IEnumerableT, IEqualityComparerT) Method (System.Collections.Frozen) |... method system collections frozen