func (a *Announce) NumContacted() int {
	a.mu.Lock()
	defer a.mu.Unlock()
	return a.numContacted
}
func (a *Announce) NumContacted() int {
	a.mu.Lock()
	defer a.mu.Unlock()
	return a.numContacted
}
func ( a * Announce ) NumContacted ( ) int { a . mu . Lock ( ) defer a . mu . Unlock ( ) return a . numContacted }
// Returns the number of distinct remote addresses the announce has queried.
Returns the number of distinct remote addresses the announce has queried .