public static MetricComparison Compare(this IMetrics lhs, IMetrics rhs) => MetricComparison.Define(lhs.Summarize(), rhs.Summarize());
public static MetricComparison <T> Compare <T>(this Metrics <T> lhs, Metrics <T> rhs) where T : struct => MetricComparison.Define(lhs.Summarize(), rhs.Summarize());