message: Use ternary to simplify retirement logic
diff: @@ -146,8 +146,8 @@ void Population::spawnRetiree()
  mPopulation[PopulationTable::Role::Retired] += retiree;
  /** Workers retire earlier than scientists. */
  - if (randomNumber.generate(0, 100) <= 45) { if (mPopulation[PopulationTable::Role::Scientist] > 0) { mPopulation[PopulationTable::Role::Scientist] -= retiree; } }
  - else { if (mPopulation[PopulationTable::Role::Worker] > 0) { mPopulation[PopulationTable::Role::Worker] -= retiree; } }
  + const auto retirePopulationType = randomNumber.generate(0, 100) <= 45 ? PopulationTable::Role::Scientist : PopulationTable::Role::Worker;
  + if (mPopulation[retirePopulationType] > 0) { mPopulation[retirePopulationType] -= retiree; }
  }
  