// Add public key to list of friends.
Add public key to list of friends.
// Add public key to list of friends .
func (f2f *friendToFriend) Append(pub crypto.PubKey) {
	f2f.mutex.Lock()
	defer f2f.mutex.Unlock()
	f2f.friends[string(pub.Address())] = pub
}
func ( f2f * friendToFriend ) Append ( pub crypto . PubKey ) { f2f . mutex . Lock ( ) defer f2f . mutex . Unlock ( ) f2f . friends [ string ( pub . Address ( ) ) ] = pub }
Add public key to list of friends.
Add public key to list of friends .