// using System.Diagnostics.CodeAnalysis;
// using System.Runtime.CompilerServices;

// namespace SJK.Functional;

// public class Some<T> : IOption<T> 
// {
//   private readonly T _data;

//   private Some(T data)
//   {
//     _data = data;
//   }
//   public ref readonly T Value => ref _data; 
//   public static Some<T> Of(T data) => new(data);
//   // [MethodImpl(MethodImplOptions.AggressiveInlining)]//TODO see if these inporve perfomce in gernral cases
//   public TResult Match<TResult>(Func<T, TResult> onSome, Func<TResult> _) =>
//     onSome(_data);
// // [MethodImpl(MethodImplOptions.AggressiveInlining)]
//   public IOption<TResult> Bind<TResult>(Func<T, IOption<TResult>> f) => f(_data);
// // [MethodImpl(MethodImplOptions.AggressiveInlining)]
//   public IOption<TResult> Map<TResult>(Func<T, TResult> f) => new Some<TResult>(f(_data));
// // [MethodImpl(MethodImplOptions.AggressiveInlining)]
//   public T Or(T _) => _data;
//     public T Or(Func<T> aDefault) => _data;
//     public bool HasValue([NotNullWhen(true)]out T? value) => (value = _data) is not null;

//     public bool HasValue() => true;
// // [MethodImpl(MethodImplOptions.AggressiveInlining)]
//     public void Match(Action<T> onSome, Action onNone) => onSome(_data);
//     public override string ToString()
//     {
//         return nameof(Some<T>)+": "+ _data;
//     }

//     public bool Equals(IOption<T>? other)
//     {
//       if (other is Some<T> some){
//         return _data!.Equals(some._data);
//       }
//       return false;
//     }

// }