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I could comprehend the first piece of code in about 20 seconds and the final result in a couple minutes. It's pulled apart nicely, but it's not as simple any mo

• Suor 13y ago
  There is a price for new vocabulary involved, which is some learning curve. By the way, first piece of code can become much more hairy with time.
• hcarvalhoalves 13y ago
  It depends on what you consider simple. I don't consider the earlier code simple, just crude. Testing it, or adding features (e.g., tacking caching) would increasingly make it messier, plus the code mixes error handling and low-level concerns with business logic. The final result is broke up in nicely referentially transparent functions, making testing or refactoring more trivial. Also, the main body reads as a DSL, a programmer can pick this code and more easily figure out what it does, which is easier to reason about.