| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556 | // Licensed to the .NET Foundation under one or more agreements.// The .NET Foundation licenses this file to you under the MIT License.// See the LICENSE file in the project root for more information. using System.Threading.Tasks;namespace System.Reactive.Linq{    public partial class AsyncObservable    {        public static IAsyncObservable<Int32> Sum(this IAsyncObservable<Int32> source)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            return Create(source, static (source, observer) => source.SubscribeSafeAsync(AsyncObserver.SumInt32(observer)));        }        public static IAsyncObservable<Int32> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, Int32> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Int32>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumInt32(observer, selector)));        }        public static IAsyncObservable<Int32> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, ValueTask<Int32>> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Int32>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumInt32(observer, selector)));        }        public static IAsyncObservable<Int32?> Sum(this IAsyncObservable<Int32?> source)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            return Create(source, static (source, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableInt32(observer)));        }        public static IAsyncObservable<Int32?> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, Int32?> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Int32?>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableInt32(observer, selector)));        }        public static IAsyncObservable<Int32?> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, ValueTask<Int32?>> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Int32?>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableInt32(observer, selector)));        }        public static IAsyncObservable<Int64> Sum(this IAsyncObservable<Int64> source)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            return Create(source, static (source, observer) => source.SubscribeSafeAsync(AsyncObserver.SumInt64(observer)));        }        public static IAsyncObservable<Int64> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, Int64> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Int64>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumInt64(observer, selector)));        }        public static IAsyncObservable<Int64> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, ValueTask<Int64>> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Int64>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumInt64(observer, selector)));        }        public static IAsyncObservable<Int64?> Sum(this IAsyncObservable<Int64?> source)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            return Create(source, static (source, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableInt64(observer)));        }        public static IAsyncObservable<Int64?> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, Int64?> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Int64?>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableInt64(observer, selector)));        }        public static IAsyncObservable<Int64?> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, ValueTask<Int64?>> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Int64?>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableInt64(observer, selector)));        }        public static IAsyncObservable<Single> Sum(this IAsyncObservable<Single> source)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            return Create(source, static (source, observer) => source.SubscribeSafeAsync(AsyncObserver.SumSingle(observer)));        }        public static IAsyncObservable<Single> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, Single> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Single>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumSingle(observer, selector)));        }        public static IAsyncObservable<Single> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, ValueTask<Single>> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Single>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumSingle(observer, selector)));        }        public static IAsyncObservable<Single?> Sum(this IAsyncObservable<Single?> source)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            return Create(source, static (source, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableSingle(observer)));        }        public static IAsyncObservable<Single?> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, Single?> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Single?>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableSingle(observer, selector)));        }        public static IAsyncObservable<Single?> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, ValueTask<Single?>> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Single?>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableSingle(observer, selector)));        }        public static IAsyncObservable<Double> Sum(this IAsyncObservable<Double> source)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            return Create(source, static (source, observer) => source.SubscribeSafeAsync(AsyncObserver.SumDouble(observer)));        }        public static IAsyncObservable<Double> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, Double> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Double>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumDouble(observer, selector)));        }        public static IAsyncObservable<Double> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, ValueTask<Double>> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Double>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumDouble(observer, selector)));        }        public static IAsyncObservable<Double?> Sum(this IAsyncObservable<Double?> source)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            return Create(source, static (source, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableDouble(observer)));        }        public static IAsyncObservable<Double?> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, Double?> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Double?>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableDouble(observer, selector)));        }        public static IAsyncObservable<Double?> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, ValueTask<Double?>> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Double?>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableDouble(observer, selector)));        }        public static IAsyncObservable<Decimal> Sum(this IAsyncObservable<Decimal> source)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            return Create(source, static (source, observer) => source.SubscribeSafeAsync(AsyncObserver.SumDecimal(observer)));        }        public static IAsyncObservable<Decimal> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, Decimal> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Decimal>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumDecimal(observer, selector)));        }        public static IAsyncObservable<Decimal> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, ValueTask<Decimal>> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Decimal>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumDecimal(observer, selector)));        }        public static IAsyncObservable<Decimal?> Sum(this IAsyncObservable<Decimal?> source)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            return Create(source, static (source, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableDecimal(observer)));        }        public static IAsyncObservable<Decimal?> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, Decimal?> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Decimal?>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableDecimal(observer, selector)));        }        public static IAsyncObservable<Decimal?> Sum<TSource>(this IAsyncObservable<TSource> source, Func<TSource, ValueTask<Decimal?>> selector)        {            if (source == null)                throw new ArgumentNullException(nameof(source));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return CreateAsyncObservable<Decimal?>.From(                source,                selector,                static (source, selector, observer) => source.SubscribeSafeAsync(AsyncObserver.SumNullableDecimal(observer, selector)));        }    }    public partial class AsyncObserver    {        public static IAsyncObserver<TSource> SumInt32<TSource>(IAsyncObserver<Int32> observer, Func<TSource, Int32> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumInt32(observer), selector);        }        public static IAsyncObserver<TSource> SumInt32<TSource>(IAsyncObserver<Int32> observer, Func<TSource, ValueTask<Int32>> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumInt32(observer), selector);        }        public static IAsyncObserver<TSource> SumNullableInt32<TSource>(IAsyncObserver<Int32?> observer, Func<TSource, Int32?> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumNullableInt32(observer), selector);        }        public static IAsyncObserver<TSource> SumNullableInt32<TSource>(IAsyncObserver<Int32?> observer, Func<TSource, ValueTask<Int32?>> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumNullableInt32(observer), selector);        }        public static IAsyncObserver<TSource> SumInt64<TSource>(IAsyncObserver<Int64> observer, Func<TSource, Int64> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumInt64(observer), selector);        }        public static IAsyncObserver<TSource> SumInt64<TSource>(IAsyncObserver<Int64> observer, Func<TSource, ValueTask<Int64>> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumInt64(observer), selector);        }        public static IAsyncObserver<TSource> SumNullableInt64<TSource>(IAsyncObserver<Int64?> observer, Func<TSource, Int64?> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumNullableInt64(observer), selector);        }        public static IAsyncObserver<TSource> SumNullableInt64<TSource>(IAsyncObserver<Int64?> observer, Func<TSource, ValueTask<Int64?>> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumNullableInt64(observer), selector);        }        public static IAsyncObserver<TSource> SumSingle<TSource>(IAsyncObserver<Single> observer, Func<TSource, Single> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumSingle(observer), selector);        }        public static IAsyncObserver<TSource> SumSingle<TSource>(IAsyncObserver<Single> observer, Func<TSource, ValueTask<Single>> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumSingle(observer), selector);        }        public static IAsyncObserver<TSource> SumNullableSingle<TSource>(IAsyncObserver<Single?> observer, Func<TSource, Single?> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumNullableSingle(observer), selector);        }        public static IAsyncObserver<TSource> SumNullableSingle<TSource>(IAsyncObserver<Single?> observer, Func<TSource, ValueTask<Single?>> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumNullableSingle(observer), selector);        }        public static IAsyncObserver<TSource> SumDouble<TSource>(IAsyncObserver<Double> observer, Func<TSource, Double> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumDouble(observer), selector);        }        public static IAsyncObserver<TSource> SumDouble<TSource>(IAsyncObserver<Double> observer, Func<TSource, ValueTask<Double>> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumDouble(observer), selector);        }        public static IAsyncObserver<TSource> SumNullableDouble<TSource>(IAsyncObserver<Double?> observer, Func<TSource, Double?> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumNullableDouble(observer), selector);        }        public static IAsyncObserver<TSource> SumNullableDouble<TSource>(IAsyncObserver<Double?> observer, Func<TSource, ValueTask<Double?>> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumNullableDouble(observer), selector);        }        public static IAsyncObserver<TSource> SumDecimal<TSource>(IAsyncObserver<Decimal> observer, Func<TSource, Decimal> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumDecimal(observer), selector);        }        public static IAsyncObserver<TSource> SumDecimal<TSource>(IAsyncObserver<Decimal> observer, Func<TSource, ValueTask<Decimal>> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumDecimal(observer), selector);        }        public static IAsyncObserver<TSource> SumNullableDecimal<TSource>(IAsyncObserver<Decimal?> observer, Func<TSource, Decimal?> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumNullableDecimal(observer), selector);        }        public static IAsyncObserver<TSource> SumNullableDecimal<TSource>(IAsyncObserver<Decimal?> observer, Func<TSource, ValueTask<Decimal?>> selector)        {            if (observer == null)                throw new ArgumentNullException(nameof(observer));            if (selector == null)                throw new ArgumentNullException(nameof(selector));            return Select(SumNullableDecimal(observer), selector);        }    }}
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