Create an empty sample group. By default, the records() address is 0, numRecords() is 0, and the elapsedTime() is the default- constructed bsls::TimeInterval.
records()
numRecords()
elapsedTime()
bsls::TimeInterval
Declared in <balm_metricsample.h>
<balm_metricsample.h>
MetricSampleGroup();