What was new in this chapter?
Recursive factorials and Fibonaccis as good profiling candidates
Testing with Benchmark
Hashes with Proc values as Proc Factories
Composition of Procs
Again, that’s a lot to take in. This list is deceptively short, because some of these concepts require more contemplation than those we’ve considered in previous chapters. Let’s move on to the next chapter, in which we’ll write some tools for processing HTML and XML.