func (c *connection) lastHelpful() time.Time {
lasts := []time.Time{c.lastUsefulChunkReceived}
if c.t.seeding() {
lasts = append(lasts, c.lastChunkSent)
}
return missinggo.Max(time.Time.Before, slices.ToEmptyInterface(lasts)...).(time.Time)
}
func StringIterator(a string) Iterator {
return SliceIterator(slices.ToEmptyInterface(a))
}