Exceptional Ruby eBook SKU: 14808


The definitive guide to exceptions and failure handling in Ruby.


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  • A detailed look at the lifecycle of a Ruby exception.
  • Overriding Kernel#raise for fun and profit.
  • Alternatives to exceptions, for when "fail fast" isn't the right answer.
  • Advanced exception matching in rescue clauses.
  • Avoiding failure cascades with the Barricade and Circuit Breaker patterns.
  • 5 questions to ask before raising an exception.
  • Exception safety testing for critical methods.
  • The three exception classes every app or library needs.
  • And much, much more... over 100 pages of in-depth information on Ruby exception handling.