MongoQueryableAverageAsync Method (IMongoQueryableNullableInt64, CancellationToken)

Computes the average of a sequence of NullableT values.

Namespace: MongoDB.Driver.Linq
Assembly: MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.19.1+3a2a09dd959482f665ffbb5df2557ec541597af4

Syntax

Copy

public static Task<double?> AverageAsync(
	this IMongoQueryable<long?> source,
	CancellationToken cancellationToken = default
)

<ExtensionAttribute>
Public Shared Function AverageAsync ( 
	source As IMongoQueryable(Of Long?),
	Optional cancellationToken As CancellationToken = Nothing
) As Task(Of Double?)

[<ExtensionAttribute>]
static member AverageAsync : 
        source : IMongoQueryable<Nullable<int64>> * 
        ?cancellationToken : CancellationToken 
(* Defaults:
        let _cancellationToken = defaultArg cancellationToken new CancellationToken()
*)
-> Task<Nullable<float>>

Parameters

source: Type: MongoDB.Driver.LinqIMongoQueryableNullableInt64
A sequence of values to calculate the average of.
cancellationToken (Optional): Type: System.ThreadingCancellationToken
The cancellation token.

Return Value

Type: TaskNullableDouble
The average of the values in the sequence.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IMongoQueryableNullableInt64. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Reference

MongoQueryable Class

AverageAsync Overload

MongoDB.Driver.Linq Namespace