C# (CSharp) Seq.Append примеры использования

Пример #1

 public Seq <string> ToString(int indent) =>
 Nodes
 .Append(Current.ToSeq())
 .Bind(x => x.ToString(indent));

Пример #2

 public InfusioState Log(string message) =>
 new InfusioState(Logs.Append(Seq1(message)), UseLogging);