func Last(ts *ts.TimeSeries, predicate func(float64) bool) bool {
if ts == nil {
return false
}
last, ok := ts.Iterator().Last()
if !ok {
return false
}
return predicate(last)
}
func Any(ts *ts.TimeSeries, predicate func(float64) bool) bool {
if ts == nil {
return false
}
it := ts.Iterator()
for val, ok := it.Next(); ok; val, ok = it.Next() {
if predicate(val) {
return true
}
}
return false
}