C# (CSharp) Chess.AF Fen.Of Exemples

Exemple #1

 public static Option <Fen> CreateFen(this string fenString)
 => Fen.Of(fenString);

Exemple #2

 public static Either <string, Option <Fen> > CreateFen(this Either <string, string> fenString)
 => fenString.Map(f => Fen.Of(f));