,System.Func{--0,--1})} ,System.Func{--0,--1},System.Collections.Generic.IComparer{--1})}

Observable.MinBy(IObservable, Func) method¶

Defined in

Type: Observable Namespace: System.Reactive.Linq Assembly: System.Reactive.dll

Applies to

netstandard2.0

Overloads¶

1. public static IObservable<IList<TSource>> MinBy<TSource, TKey>(this IObservable<TSource> source, Func<TSource, TKey> keySelector)
2. public static IObservable<IList<TSource>> MinBy<TSource, TKey>(this IObservable<TSource> source, Func<TSource, TKey> keySelector, IComparer<TKey> comparer)

1. Overload¶

public static IObservable<IList<TSource>> MinBy<TSource, TKey>(this IObservable<TSource> source, Func<TSource, TKey> keySelector)

Summary: Returns the elements in an observable sequence with the minimum key value.

Type parameters

Name	Description
`TSource`	The type of the elements in the source sequence.
`TKey`	The type of the key computed for each element in the source sequence.

Parameters

Name	Type	Description
`source`	IObservable	An observable sequence to get the minimum elements for.
`keySelector`	Func	Key selector function.

Returns: IObservable> -- An observable sequence containing a list of zero or more elements that have a minimum key value.

Remarks

The return type of this operator differs from the corresponding operator on IEnumerable in order to retain asynchronous behavior.

Exceptions

Type	Condition
System.ArgumentNullException	`source` or `keySelector` is null.

2. Overload¶

public static IObservable<IList<TSource>> MinBy<TSource, TKey>(this IObservable<TSource> source, Func<TSource, TKey> keySelector, IComparer<TKey> comparer)

Summary: Returns the elements in an observable sequence with the minimum key value according to the specified comparer.