// KindAny is 0 so that a zero Value represents nil.

const (
	KindAny Kind = iota
	KindBool
	KindDuration
	KindFloat64
	KindInt64
	KindString
	KindTime
	KindUint64
	KindGroup
	KindLogValuer
)

var kindStrings = []string{
	"Any",
	"Bool",
	"Duration",
	"Float64",
	"Int64",
	"String",
	"Time",
	"Uint64",
	"Group",

		metrics.Read(samples[gen%2])
		for i := range samples[gen%2] {
			name := samples[gen%2][i].Name
			vNew, vOld := samples[gen%2][i].Value, samples[1-(gen%2)][i].Value

			switch vNew.Kind() {
			case metrics.KindUint64:
				new := vNew.Uint64()
				old := vOld.Uint64()
				if new < old {
					t.Errorf("%s decreased: %d < %d", name, new, old)
				}
			case metrics.KindFloat64:
				new := vNew.Float64()