C# (CSharp) IStreamable.GroupAggregateの例

コード例 #1

 public static IStreamable <PartitionKey <int>, double> GroupAggregateAverageTestRecord(
     this IStreamable <PartitionKey <int>, LaggingPartitionCleanupTests.TestRecord> source)
 {
     return(source.GroupAggregate(
                testRecord => testRecord.Key,
                w => w.Average(testRecord => testRecord.Payload),
                (key, testRecord) => testRecord));
 }