function SumAggregation::diff

Parameters

SumSummary $left:

SumSummary $right:

Overrides AggregationInterface::diff

File

vendor/open-telemetry/sdk/Metrics/Aggregation/SumAggregation.php, line 51

Class

SumAggregation

@implements AggregationInterface<SumSummary>

Namespace

OpenTelemetry\SDK\Metrics\Aggregation

Code

public function diff($left, $right) : SumSummary {
    $sum = -$left->value + $right->value;
    return new SumSummary($sum);
}