Ruby has two different exceptions mechanisms: Throw/Catch and Raise/Rescue.
Why do we have two?
When should you use one and not the other?
3 Answers
I think http://hasno.info/ruby-gotchas-and-caveats has a decent explanation of the difference:
catch/throw are not the same as raise/rescue. catch/throw allows you to quickly exit blocks back to a point where a catch is defined for a specific symbol, raise rescue is the real exception handling stuff involving the Exception object.
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