if we create our own exception classes, they need to be subclasses of either class Exception or one of its descendants. : Your Exception « Development « Ruby

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Ruby » Development » Your Exception   if we create our own exception classes, they need to be subclasses of either class Exception or one of its descendants. class FileSaveError < StandardError   attr_reader :reason   def initialize(reason)     @reason = reason   end end   Related examples in the same category 1.  Ruby exception hierarchy 2.  create your own type of exception if you wanted to.

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