private void Name_() { new Validator("name") .OneParameter() .Validate(this.stack); var sym = this.Pop(); var name = sym switch { Value.Int x => "int", Value.Float x => "float", Value.Bool x => "bool", Value.Char x => "char", Value.String x => "string", Value.List x => "list", Value.Set x => "set", Value.Stream x => "stream", Value.Symbol x => x.Value, _ => throw new NotSupportedException(), }; this.Push(new Value.String(name)); }