isValid method
Implementation
bool isValid() {
return (this.latitude != 0) &&
(this.longitude != 0) &&
(this.latitude).abs() <= 89.0 &&
(this.longitude).abs() <= 180.0;
}
bool isValid() {
return (this.latitude != 0) &&
(this.longitude != 0) &&
(this.latitude).abs() <= 89.0 &&
(this.longitude).abs() <= 180.0;
}