convertHMStoH function Null safety
Implementation
void convertHMStoH(Model m) {
final Value hr = m.x;
final Value min = Value.fromDouble(hr.fracOp().asDouble * 100);
final double sec = min.fracOp().asDouble * 100;
m.resultX = Value.fromDouble(
hr.intOp().asDouble + (min.intOp().asDouble + sec / 60) / 60);
}