compare method
compares two VenueLatLng objects for equality
Implementation
bool compare(VenueLatLng _venueLatLng) {
if ((latitude == _venueLatLng.latitude) &&
(longitude == _venueLatLng.longitude) &&
(venue == _venueLatLng.venue) &&
(displayName == _venueLatLng.displayName)) {
return true;
}
return false;
}