An example of a contract that uses the DoctorRegistry

TCR_Example.sol

import 'medcredits-solidity/DoctorRegistry.sol';

contract CaseFactory {
  uint8 constant DERMATOLOGY_CODE = 0x00001a83;

  Case[] cases;
  mapping (uint256 => address) public caseIndices;
  DoctorRegistry doctorRegistry;

  function CaseFactory(DoctorRegistry _doctorRegistry) {
    doctorRegistry = _doctorRegistry;
  }

  modifier isQualified(address _doctor) {
    return doctorRegistry.isQualified(_doctor, DERMATOLOGY_CODE, 'doctor is not qualified');
    _;
  }

  function createCase(address _patient, address _doctor) external isQualified(_doctor) returns (Case) {
    Case case = new Case(_patient, _doctor);
    uint256 index = cases.length;
    cases.push(case);
    caseIndices[index] = case;
    return case;
  }
}

Needs returns(Case)
function createCase(address _doctor) external isQualified(_doctor) {