message: Rename role variables
diff: @@ -59,7 +59,7 @@ void Population::spawnPopulation(int morale, int residences, int nurseries, int
  mPopulation.scientist / 4 + mPopulation.worker / 2 : 0;
  // account for universities
  - const auto role = (universities > 0 && randomNumber.generate(0, 100) <= studentToScientistRate) ?
  + const auto newAdultRole = (universities > 0 && randomNumber.generate(0, 100) <= studentToScientistRate) ?
  PopulationTable::Role::Scientist : PopulationTable::Role::Worker;
  int total_adults = mPopulation.worker + mPopulation.scientist;
  @@ -71,7 +71,7 @@ void Population::spawnPopulation(int morale, int residences, int nurseries, int
  const auto newChildren = spawnRole(PopulationTable::Role::Child, growthChild, divisorChild);
  const auto newStudents = spawnRole(PopulationTable::Role::Student, mPopulation.child, divisorStudent);
  - const auto newAdult = spawnRole(role, mPopulation.student, divisorAdult);
  + const auto newAdult = spawnRole(newAdultRole, mPopulation.student, divisorAdult);
  const auto retiree = spawnRole(PopulationTable::Role::Retired, total_adults / 10, divisorRetiree);
  mBirthCount = newChildren;
  @@ -79,9 +79,9 @@ void Population::spawnPopulation(int morale, int residences, int nurseries, int
  mPopulation.student -= newAdult;
  /** Workers retire earlier than scientists. */
  - const auto retirePopulationType = randomNumber.generate(0, 100) <= 45 ?
  + const auto retireRole = randomNumber.generate(0, 100) <= 45 ?
  PopulationTable::Role::Scientist : PopulationTable::Role::Worker;
  - if (mPopulation[retirePopulationType] > 0) { mPopulation[retirePopulationType] -= retiree; }
  + if (mPopulation[retireRole] > 0) { mPopulation[retireRole] -= retiree; }
  }
  