Conditionals (if, switch, and match statements) are usually the first programmers reach for when we need to vary the execution of a function. They’re easy to understand and convenient to use, as long as the variations are simple. As software grows, though, extensibility and comprehensibility begin to require that we create ways to “hook” new functionality into our functions. The strategy pattern offers a method to accomplish that: Define a family of algorithms, encapsulate each one, and...
