IUniTaskAsyncEnumerator DisposeAsync does not run finally blocks

[timcassell]

If an await foreach loop is canceled with the break keyword, the DisposeAsync should run any finally blocks within the method body. But it does not.

static IUniTaskAsyncEnumerable<int> IterateAsync()
{
    return UniTaskAsyncEnumerable.Create<int>(async (writer, _) =>
    {
        try
        {
            await writer.YieldAsync(0);
        }
        finally
        {
            Console.WriteLine("Finally block"); // Never executes.
        }
    });
}

await foreach (var elem in IterateAsync())
{
    Console.WriteLine("elem: " + elem);
    break;
}

Compare to C# 8 async IAsyncEnumerable, which works:

static async IAsyncEnumerable<int> IterateAsync()
{
    try
    {
        yield return 0;
    }
    finally
    {
        Console.WriteLine("Finally block");
    }
}

[github-actions]

This issue is stale because it has been open 180 days with no activity. Remove stale label or comment or this will be closed in 30 days.

[hadashiA]

Fixed in #484