public AsyncResultGroupByEnumerable(IAsyncResultEnumerable <TSuccess, TFailure> successEnumerable, Func <TSuccess, TKey> keySelector, Func <TSuccess, TElement> elementSelector) { _successEnumerable = successEnumerable; _keySelector = keySelector; _elementSelector = elementSelector; }
public static IAsyncResultEnumerable<TResult, TFailure> Select<TSuccess, TResult, TFailure>(this IAsyncResultEnumerable<TSuccess, TFailure> source, Func<TSuccess, Task<TResult>> selector) { if (selector == null) throw new ArgumentNullException(nameof(selector)); return source .SelectAsync(result => result .MatchAsync( success => Result.Success<TResult, TFailure>(selector.Invoke(success)), failure => Task.FromResult(Result.Failure<TResult, TFailure>(failure)) ) ) .AsAsyncResultEnumerable(); }
public static IAsyncResultEnumerable <TSuccess, TFailure> Where <TSuccess, TFailure>(this IAsyncResultEnumerable <TSuccess, TFailure> source, Func <TSuccess, Task <Result <Unit, TFailure> > > failurePredicate) => source .SelectAsync(value => value .BindAsync(success => failurePredicate .Invoke(success) .Map(_ => success) ) ) .AsAsyncResultEnumerable();
public static IAsyncResultEnumerable<TResult, TFailure> SelectMany<TSuccess, TFailure, TBind, TResult>(this IAsyncResultEnumerable<TSuccess, TFailure> source, Func<TSuccess, IAsyncEnumerable<TBind>> bind, Func<TSuccess, TBind, Task<TResult>> resultSelector) { if (bind == null) throw new ArgumentNullException(nameof(bind)); if (resultSelector == null) throw new ArgumentNullException(nameof(resultSelector)); return source .SelectMany(result => result .Match(success => bind .Invoke(success) .SelectAsync(obj => resultSelector.Invoke(success, obj)) .Select(Result.Success<TResult, TFailure>), failure => AsyncEnumerable.Repeat(Result.Failure<TResult, TFailure>(failure), 1) ) ) .AsAsyncResultEnumerable(); }
public static IAsyncResultEnumerable<TResult, TFailure> SelectMany<TSuccess, TFailure, TBind, TResult>(this IAsyncResultEnumerable<TSuccess, TFailure> source, Func<TSuccess, Task<Result<TBind, TFailure>>> bind, Func<TSuccess, TBind, Task<TResult>> resultSelector) { if (bind == null) throw new ArgumentNullException(nameof(bind)); if (resultSelector == null) throw new ArgumentNullException(nameof(resultSelector)); return source .SelectAsync(result => result .MatchAsync(success => bind .Invoke(success) .SelectAsync(value => resultSelector.Invoke(success, value)), failure => Task.FromResult(Result.Failure<TResult, TFailure>(failure)) ) ) .AsAsyncResultEnumerable(); }
public static IAsyncResultEnumerable <TResult, TFailure> Select <TSuccess, TResult, TFailure>(this IAsyncResultEnumerable <TSuccess, TFailure> source, Func <TSuccess, TResult> selector) { if (selector == null) { throw new ArgumentNullException(nameof(selector)); } return(source .Select(result => result .Match( success => Result.Success <TResult, TFailure>(selector.Invoke(success)), Result.Failure <TResult, TFailure> ) ) .AsAsyncResultEnumerable()); }
public static IAsyncResultEnumerable <TResult, TFailure> SelectMany <TSuccess, TFailure, TBind, TResult>(this IAsyncResultEnumerable <TSuccess, TFailure> source, Func <TSuccess, Result <TBind, TFailure> > bind, Func <TSuccess, TBind, TResult> resultSelector) { if (bind == null) { throw new ArgumentNullException(nameof(bind)); } if (resultSelector == null) { throw new ArgumentNullException(nameof(resultSelector)); } return(source .Select(result => result .Match(success => bind .Invoke(success) .Map(value => resultSelector.Invoke(success, value)), Result.Failure <TResult, TFailure> ) ) .AsAsyncResultEnumerable()); }
public static IAsyncResultEnumerable <IGrouping <TKey, TElement>, TFailure> GroupBy <TKey, TSuccess, TElement, TFailure>(this IAsyncResultEnumerable <TSuccess, TFailure> source, Func <TSuccess, TKey> keySelector, Func <TSuccess, TElement> elementSelector) => new AsyncResultGroupByEnumerable <TKey, TSuccess, TElement, TFailure>(source, keySelector, elementSelector);
public static IAsyncResultEnumerable <IGrouping <TKey, TSuccess>, TFailure> GroupBy <TKey, TSuccess, TFailure>(this IAsyncResultEnumerable <TSuccess, TFailure> source, Func <TSuccess, TKey> keySelector) where TSuccess : notnull where TFailure : notnull => new AsyncResultGroupByEnumerable <TKey, TSuccess, TSuccess, TFailure>(source, keySelector, _ => _);
public static IAsyncResultEnumerable <TResult, TFailure> SelectMany <TSuccess, TFailure, TBind, TResult>(this IAsyncResultEnumerable <TSuccess, TFailure> source, Func <TSuccess, IEnumerable <TBind> > bind, Func <TSuccess, TBind, TResult> resultSelector) where TSuccess : notnull where TFailure : notnull where TResult : notnull { if (bind == null) { throw new ArgumentNullException(nameof(bind)); } if (resultSelector == null) { throw new ArgumentNullException(nameof(resultSelector)); } return(source .SelectMany(result => result .Match(success => bind .Invoke(success) .Select(obj => resultSelector.Invoke(success, obj)) .Select(Result.Success <TResult, TFailure>), failure => Enumerable.Repeat(Result.Failure <TResult, TFailure>(failure), 1) ) ) .AsAsyncResultEnumerable()); }