8.8 Summary

While the if.. else.. construct serves as a good decision-making option for small numbers of possible outcomes, this approach can become unwieldy in more complex situations. As an alternative method for implementing flow control logic in Swift when many possible outcomes exist as the result of an evaluation, the switch statement invariably makes a more suitable option. As outlined in this chapter, however, developers familiar with switch implementations from other programming languages should be aware of some subtle differences in the way that the Swift switch statement works.