MongoQueryableSumAsync Method (IMongoQueryableNullableDouble, CancellationToken)

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

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

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