// Must be a line without a \n, so a partial line.
		l.part(l.b)
		l.b = l.b[:0]
	}
}

var benchmark = []byte("Benchmark")

// isBenchmarkName reports whether b is a valid benchmark name
// that might appear as the first field in a benchmark result line.
func isBenchmarkName(b []byte) bool {
	if !bytes.HasPrefix(b, benchmark) {
		return false
	}
	if len(b) == len(benchmark) { // just "Benchmark"
		return true
	}