Init Scripts in new repo

Functional/None.cs

@@ -0,0 +1,31 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.CompilerServices;
+
+namespace SJK.Functional;
+
+public sealed class None<T> : IOption<T>
+{
+
+  public static None<T> Of() => new();
+  [MethodImpl(MethodImplOptions.AggressiveInlining)]
+  public TResult Match<TResult>(Func<T, TResult> _, Func<TResult> onNone) =>
+    onNone();
+
+  [MethodImpl(MethodImplOptions.AggressiveInlining)] 
+ public void Match(Action<T> onSome, Action onNone) => onNone();
+ [MethodImpl(MethodImplOptions.AggressiveInlining)]
+  public IOption<TResult> Bind<TResult>(Func<T, IOption<TResult>> f) => new None<TResult>();
+[MethodImpl(MethodImplOptions.AggressiveInlining)]
+  public IOption<TResult> Map<TResult>(Func<T, TResult> f) => new None<TResult>();
+[MethodImpl(MethodImplOptions.AggressiveInlining)]
+  public T Or(T aDefault) => aDefault;
+  public T Or(Func<T> aDefault)=>aDefault();
+public bool HasValue([NotNullWhen(true)]out T? value) => (value = default) is not null && false;
+public bool HasValue() => false;
+    public override string ToString()
+    {
+        return nameof(None<T>);
+    }
+
+    public bool Equals(IOption<T>? other)=> other is None<T>;
+}