Do<TSource>
using System.Runtime.CompilerServices;
namespace System.Reactive.Linq.ObservableImpl
{
    [System.Runtime.CompilerServices.NullableContext(1)]
    [System.Runtime.CompilerServices.Nullable(0)]
    internal static class Do<[System.Runtime.CompilerServices.Nullable(2)] TSource>
    {
        [System.Runtime.CompilerServices.Nullable(new byte[] {
            0,
            1,
            1,
            0
        })]
        internal sealed class OnNext : Producer<TSource, OnNext._>
        {
            [System.Runtime.CompilerServices.Nullable(new byte[] {
                0,
                1
            })]
            internal sealed class _ : IdentitySink<TSource>
            {
                private readonly Action<TSource> _onNext;
                public _(Action<TSource> onNext, IObserver<TSource> observer)
                    : base(observer)
                {
                    _onNext = onNext;
                }
                public override void OnNext(TSource value)
                {
                    try {
                        _onNext(value);
                    } catch (Exception error) {
                        ForwardOnError(error);
                        return;
                    }
                    ForwardOnNext(value);
                }
            }
            private readonly IObservable<TSource> _source;
            private readonly Action<TSource> _onNext;
            public OnNext(IObservable<TSource> source, Action<TSource> onNext)
            {
                _source = source;
                _onNext = onNext;
            }
            [return: System.Runtime.CompilerServices.Nullable(new byte[] {
                1,
                0
            })]
            protected override _ CreateSink(IObserver<TSource> observer)
            {
                return new _(_onNext, observer);
            }
            protected override void Run([System.Runtime.CompilerServices.Nullable(new byte[] {
                1,
                0
            })] _ sink)
            {
                sink.Run(_source);
            }
        }
        [System.Runtime.CompilerServices.Nullable(new byte[] {
            0,
            1,
            1,
            0
        })]
        internal sealed class Observer : Producer<TSource, Observer._>
        {
            [System.Runtime.CompilerServices.Nullable(new byte[] {
                0,
                1
            })]
            internal sealed class _ : IdentitySink<TSource>
            {
                private readonly IObserver<TSource> _doObserver;
                public _(IObserver<TSource> doObserver, IObserver<TSource> observer)
                    : base(observer)
                {
                    _doObserver = doObserver;
                }
                public override void OnNext(TSource value)
                {
                    try {
                        _doObserver.OnNext(value);
                    } catch (Exception error) {
                        ForwardOnError(error);
                        return;
                    }
                    ForwardOnNext(value);
                }
                public override void OnError(Exception error)
                {
                    try {
                        _doObserver.OnError(error);
                    } catch (Exception error2) {
                        ForwardOnError(error2);
                        return;
                    }
                    ForwardOnError(error);
                }
                public override void OnCompleted()
                {
                    try {
                        _doObserver.OnCompleted();
                    } catch (Exception error) {
                        ForwardOnError(error);
                        return;
                    }
                    ForwardOnCompleted();
                }
            }
            private readonly IObservable<TSource> _source;
            private readonly IObserver<TSource> _observer;
            public Observer(IObservable<TSource> source, IObserver<TSource> observer)
            {
                _source = source;
                _observer = observer;
            }
            [return: System.Runtime.CompilerServices.Nullable(new byte[] {
                1,
                0
            })]
            protected override _ CreateSink(IObserver<TSource> observer)
            {
                return new _(_observer, observer);
            }
            protected override void Run([System.Runtime.CompilerServices.Nullable(new byte[] {
                1,
                0
            })] _ sink)
            {
                sink.Run(_source);
            }
        }
        [System.Runtime.CompilerServices.Nullable(new byte[] {
            0,
            1,
            1,
            0
        })]
        internal sealed class Actions : Producer<TSource, Actions._>
        {
            [System.Runtime.CompilerServices.Nullable(new byte[] {
                0,
                1
            })]
            internal sealed class _ : IdentitySink<TSource>
            {
                [System.Runtime.CompilerServices.Nullable(new byte[] {
                    1,
                    0
                })]
                private readonly Actions _parent;
                public _([System.Runtime.CompilerServices.Nullable(new byte[] {
                    1,
                    0
                })] Actions parent, IObserver<TSource> observer)
                    : base(observer)
                {
                    _parent = parent;
                }
                public override void OnNext(TSource value)
                {
                    try {
                        _parent._onNext(value);
                    } catch (Exception error) {
                        ForwardOnError(error);
                        return;
                    }
                    ForwardOnNext(value);
                }
                public override void OnError(Exception error)
                {
                    try {
                        _parent._onError(error);
                    } catch (Exception error2) {
                        ForwardOnError(error2);
                        return;
                    }
                    ForwardOnError(error);
                }
                public override void OnCompleted()
                {
                    try {
                        _parent._onCompleted();
                    } catch (Exception error) {
                        ForwardOnError(error);
                        return;
                    }
                    ForwardOnCompleted();
                }
            }
            private readonly IObservable<TSource> _source;
            private readonly Action<TSource> _onNext;
            private readonly Action<Exception> _onError;
            private readonly Action _onCompleted;
            public Actions(IObservable<TSource> source, Action<TSource> onNext, Action<Exception> onError, Action onCompleted)
            {
                _source = source;
                _onNext = onNext;
                _onError = onError;
                _onCompleted = onCompleted;
            }
            [return: System.Runtime.CompilerServices.Nullable(new byte[] {
                1,
                0
            })]
            protected override _ CreateSink(IObserver<TSource> observer)
            {
                return new _(this, observer);
            }
            protected override void Run([System.Runtime.CompilerServices.Nullable(new byte[] {
                1,
                0
            })] _ sink)
            {
                sink.Run(_source);
            }
        }
    }
}