How to fix the inconsistency of the Publish().RefCount() behavior? | C# Online Compiler

How to fix the inconsistency of the Publish().RefCount() behavior? by Anonymous

using System;
using System.Reactive.Linq;
using System.Reactive.Disposables;

public class Program
{
	public static void Main()
	{
        var observable = Observable
            .Create<int>(o =>
            {
                o.OnNext(13);
                o.OnCompleted(); // Commenting this line alters the observed behavior
                return Disposable.Empty;
            })
            .Do(x => Console.WriteLine("Producer generated:" + x))
            .Finally(() => Console.WriteLine("Producer finished"))
            .Publish()
            .RefCount()
            .Do(x => Console.WriteLine("Consumer received #" + x))
            .Finally(() => Console.WriteLine("Consumer finished"));

        observable.Subscribe().Dispose();
        observable.Subscribe().Dispose();
	}
}

​x
 
using System;
using System.Reactive.Linq;
using System.Reactive.Disposables;
​
public class Program
{
    public static void Main()
    {
        var observable = Observable
            .Create<int>(o =>
            {
                o.OnNext(13);
                o.OnCompleted(); // Commenting this line alters the observed behavior
                return Disposable.Empty;
            })
            .Do(x => Console.WriteLine("Producer generated:" + x))
            .Finally(() => Console.WriteLine("Producer finished"))
            .Publish()
            .RefCount()
            .Do(x => Console.WriteLine("Consumer received #" + x))
            .Finally(() => Console.WriteLine("Consumer finished"));
​
        observable.Subscribe().Dispose();
        observable.Subscribe().Dispose();
    }
}

Model: Compilation error (line 18, col 544): Too many characters in character literal
Model: Compilation error (line 18, col 837): Newline in constant
Model: Compilation error (line 18, col 837): Too many characters in character literal
Model: Compilation error (line 22, col 433): Too many characters in character literal
Model: Compilation error (line 24, col 198): Unexpected character '’'
Model: Compilation error (line 28, col 193): Unexpected character '“'
Model: Compilation error (line 28, col 198): Unexpected character '”'
Model: Compilation error (line 32, col 106): Unexpected character '’'
Model: Compilation error (line 32, col 202): Unexpected character '’'
Model: Compilation error (line 1, col 7): Syntax error, ']' expected
Model: Compilation error (line 18, col 412): { expected
Model: Compilation error (line 18, col 412): Invalid token 'is' in class, struct, or interface member declaration
Model: Compilation error (line 18, col 432): ; expected
Model: Compilation error (line 18, col 447): ; expected
Model: Compilation error (line 18, col 458): ; expected
Model: Compilation error (line 18, col 475): ; expected
Model: Compilation error (line 18, col 499): ; expected
Model: Compilation error (line 18, col 508): ; expected
Model: Compilation error (line 18, col 523): ; expected
Model: Compilation error (line 18, col 534): ; expected
Model: Compilation error (line 18, col 544): Invalid token ''\u0073'' in class, struct, or interface member declaration
Model: Compilation error (line 18, col 627): ; expected
Model: Compilation error (line 18, col 637): ; expected
Model: Compilation error (line 18, col 656): ; expected
Model: Compilation error (line 18, col 665): ; expected
Model: Compilation error (line 18, col 677): ; expected
Model: Compilation error (line 18, col 690): { expected
Model: Compilation error (line 18, col 701): ; expected
Model: Compilation error (line 18, col 711): ; expected
Model: Compilation error (line 18, col 726): ; expected
Model: Compilation error (line 18, col 737): ; expected
Model: Compilation error (line 18, col 743): ; expected
Model: Compilation error (line 18, col 752): ; expected
Model: Compilation error (line 18, col 761): ; expected
Model: Compilation error (line 18, col 766): Invalid token 'for' in class, struct, or interface member declaration
Model: Compilation error (line 18, col 780): ; expected
Model: Compilation error (line 18, col 787): ; expected
Model: Compilation error (line 18, col 799): ; expected
Model: Compilation error (line 18, col 818): ; expected
Model: Compilation error (line 18, col 837): ; expected
Model: Compilation error (line 20, col 13): ; expected
Model: Compilation error (line 20, col 24): ; expected
Model: Compilation error (line 20, col 38): ; expected
Model: Compilation error (line 20, col 48): Invalid token 'for' in class, struct, or interface member declaration
Model: Compilation error (line 20, col 63): ; expected
Model: Compilation error (line 20, col 71): ; expected
Model: Compilation error (line 22, col 15): ; expected
Model: Compilation error (line 22, col 25): ; expected
Model: Compilation error (line 22, col 35): Invalid token 'for' in class, struct, or interface member declaration
Model: Compilation error (line 22, col 46): Invalid token ',' in class, struct, or interface member declaration
Model: Compilation error (line 22, col 60): ; expected
Model: Compilation error (line 22, col 63): Invalid token ',' in class, struct, or interface member declaration
Model: Compilation error (line 22, col 73): ; expected
Model: Compilation error (line 22, col 83): ; expected
Model: Compilation error (line 22, col 90): ; expected
Model: Compilation error (line 22, col 111): Cannot use more than one type in a for, using, fixed, or declaration statement
Model: Compilation error (line 22, col 114): ; expected
Model: Compilation error (line 22, col 122): ; expected
Model: Compilation error (line 22, col 141): ; expected
Model: Compilation error (line 22, col 158): ; expected
Model: Compilation error (line 22, col 172): ; expected
Model: Compilation error (line 22, col 182): ; expected
Model: Compilation error (line 22, col 189): ; expected
Model: Compilation error (line 22, col 196): ; expected
Model: Compilation error (line 22, col 208): ; expected
Model: Compilation error (line 22, col 235): ; expected
Model: Compilation error (line 22, col 245): ; expected
Model: Compilation error (line 22, col 252): ; expected
Model: Compilation error (line 22, col 265): ; expected
Model: Compilation error (line 22, col 277): ; expected
Model: Compilation error (line 22, col 296): ; expected
Model: Compilation error (line 22, col 309): ; expected
Model: Compilation error (line 22, col 321): ; expected
Model: Compilation error (line 22, col 338): Cannot use more than one type in a for, using, fixed, or declaration statement
Model: Compilation error (line 22, col 342): ; expected
Model: Compilation error (line 22, col 358): ; expected
Model: Compilation error (line 22, col 373): ; expected
Model: Compilation error (line 22, col 380): ; expected
Model: Compilation error (line 22, col 397): ; expected
Model: Compilation error (line 22, col 410): ; expected
Model: Compilation error (line 22, col 422): ; expected
Model: Compilation error (line 22, col 427): Invalid token 'if' in class, struct, or interface member declaration
Model: Compilation error (line 22, col 433): Invalid token ''\u0072'' in class, struct, or interface member declaration
Model: Compilation error (line 22, col 518): ; expected
Model: Compilation error (line 22, col 524): ; expected
Model: Compilation error (line 22, col 535): ; expected
Model: Compilation error (line 22, col 542): ; expected
Model: Compilation error (line 22, col 555): ; expected
Model: Compilation error (line 22, col 563): ; expected
Model: Compilation error (line 22, col 577): ; expected
Model: Compilation error (line 22, col 586): ; expected
Model: Compilation error (line 22, col 595): ; expected
Model: Compilation error (line 22, col 615): ; expected
Model: Compilation error (line 22, col 628): ; expected
Model: Compilation error (line 22, col 638): ; expected
Model: Compilation error (line 22, col 657): ; expected
Model: Compilation error (line 22, col 669): ; expected
Model: Compilation error (line 24, col 9): ; expected
Model: Compilation error (line 24, col 20): ; expected
Model: Compilation error (line 24, col 27): ; expected
Model: Compilation error (line 24, col 37): ; expected
Model: Compilation error (line 24, col 46): ; expected
Model: Compilation error (line 24, col 59): ; expected
Model: Compilation error (line 24, col 68): ; expected
Model: Compilation error (line 24, col 79): ; expected
Model: Compilation error (line 24, col 93): ; expected
Model: Compilation error (line 24, col 103): ; expected
Model: Compilation error (line 24, col 113): ; expected
Model: Compilation error (line 24, col 127): ; expected
Model: Compilation error (line 24, col 145): ; expected
Model: Compilation error (line 24, col 156): ; expected
Model: Compilation error (line 24, col 163): ; expected
Model: Compilation error (line 24, col 170): Invalid token '-' in class, struct, or interface member declaration
Model: Compilation error (line 24, col 181): ; expected
Model: Compilation error (line 24, col 185): Invalid token 'do' in class, struct, or interface member declaration
Model: Compilation error (line 24, col 190): Invalid token '!' in class, struct, or interface member declaration
Model: Compilation error (line 24, col 198): ; expected
Model: Compilation error (line 24, col 201): Invalid token 'true' in class, struct, or interface member declaration
Model: Compilation error (line 24, col 211): Invalid token 'for' in class, struct, or interface member declaration
Model: Compilation error (line 24, col 224): ; expected
Model: Compilation error (line 24, col 232): ; expected
Model: Compilation error (line 24, col 238): Invalid token 'in' in class, struct, or interface member declaration
Model: Compilation error (line 26, col 11): ; expected
Model: Compilation error (line 26, col 19): ; expected
Model: Compilation error (line 26, col 33): ; expected
Model: Compilation error (line 26, col 45): ; expected
Model: Compilation error (line 26, col 56): Invalid token ',' in class, struct, or interface member declaration
Model: Compilation error (line 26, col 75): ; expected
Model: Compilation error (line 26, col 86): ; expected
Model: Compilation error (line 26, col 97): ; expected
Model: Compilation error (line 26, col 104): ; expected
Model: Compilation error (line 26, col 115): Member modifier 'new' must precede the member type and name
Model: Compilation error (line 26, col 130): ; expected
Model: Compilation error (line 26, col 142): ; expected
Model: Compilation error (line 26, col 153): ; expected
Model: Compilation error (line 26, col 163): ; expected
Model: Compilation error (line 26, col 174): ; expected
Model: Compilation error (line 26, col 182): ; expected
Model: Compilation error (line 26, col 194): ; expected
Model: Compilation error (line 26, col 218): ; expected
Model: Compilation error (line 26, col 228): ; expected
Model: Compilation error (line 26, col 237): ; expected
Model: Compilation error (line 26, col 251): ; expected
Model: Compilation error (line 26, col 263): ; expected
Model: Compilation error (line 26, col 271): ; expected
Model: Compilation error (line 26, col 281): ; expected
Model: Compilation error (line 26, col 294): ; expected
Model: Compilation error (line 26, col 310): ; expected
Model: Compilation error (line 26, col 315): Invalid token 'in' in class, struct, or interface member declaration
Model: Compilation error (line 26, col 332): ; expected
Model: Compilation error (line 26, col 342): ; expected
Model: Compilation error (line 26, col 352): ; expected
Model: Compilation error (line 26, col 365): ; expected
Model: Compilation error (line 26, col 374): ; expected
Model: Compilation error (line 26, col 384): ; expected
Model: Compilation error (line 28, col 14): ; expected
Model: Compilation error (line 28, col 25): ; expected
Model: Compilation error (line 28, col 35): ; expected
Model: Compilation error (line 28, col 48): ; expected
Model: Compilation error (line 28, col 60): ; expected
Model: Compilation error (line 28, col 75): ; expected
Model: Compilation error (line 28, col 85): ; expected
Model: Compilation error (line 28, col 98): ; expected
Model: Compilation error (line 28, col 109): ; expected
Model: Compilation error (line 28, col 123): ; expected
Model: Compilation error (line 28, col 134): ; expected
Model: Compilation error (line 28, col 142): Invalid token ',' in class, struct, or interface member declaration
Model: Compilation error (line 28, col 152): ; expected
Model: Compilation error (line 28, col 154): Invalid token ',' in class, struct, or interface member declaration
Model: Compilation error (line 28, col 172): ; expected
Model: Compilation error (line 28, col 183): ; expected
Model: Compilation error (line 28, col 193): ; expected
Model: Compilation error (line 28, col 198): Invalid token '”' in class, struct, or interface member declaration
Model: Compilation error (line 28, col 208): ; expected
Model: Compilation error (line 30, col 8): ; expected
Model: Compilation error (line 30, col 21): ; expected
Model: Compilation error (line 30, col 32): ; expected
Model: Compilation error (line 30, col 45): ; expected
Model: Compilation error (line 30, col 58): ; expected
Model: Compilation error (line 32, col 13): ; expected
Model: Compilation error (line 32, col 21): Invalid token ':' in class, struct, or interface member declaration
Model: Compilation error (line 32, col 33): ; expected
Model: Compilation error (line 32, col 41): Invalid token ',' in class, struct, or interface member declaration
Model: Compilation error (line 32, col 55): ; expected
Model: Compilation error (line 32, col 63): Invalid token 'as' in class, struct, or interface member declaration
Model: Compilation error (line 32, col 73): Invalid token ',' in class, struct, or interface member declaration
Model: Compilation error (line 32, col 80): Invalid token ',' in class, struct, or interface member declaration
Model: Compilation error (line 32, col 87): Invalid token ',' in class, struct, or interface member declaration
Model: Compilation error (line 32, col 99): ; expected
Model: Compilation error (line 32, col 106): ; expected
Model: Compilation error (line 32, col 114): ; expected
Model: Compilation error (line 32, col 122): ; expected
Model: Compilation error (line 32, col 135): ; expected
Model: Compilation error (line 32, col 145): ; expected
Model: Compilation error (line 32, col 160): ; expected
Model: Compilation error (line 32, col 170): ; expected
Model: Compilation error (line 32, col 189): ; expected
Model: Compilation error (line 32, col 195): Invalid token '!' in class, struct, or interface member declaration
Model: Compilation error (line 32, col 202): Invalid token '’' in class, struct, or interface member declaration
Model: Compilation error (line 32, col 208): ; expected
Model: Compilation error (line 32, col 216): ; expected
Model: Compilation error (line 32, col 228): ; expected
Model: Compilation error (line 32, col 245): ; expected
Model: Compilation error (line 32, col 251): ; expected
Model: Compilation error (line 32, col 265): ; expected
Model: Compilation error (line 32, col 277): ; expected
Model: Compilation error (line 32, col 284): ; expected
Model: Compilation error (line 32, col 294): ; expected
Model: Compilation error (line 32, col 303): ; expected
Model: Compilation error (line 18, col 687): 'to': interfaces cannot declare types

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