From: Brian Candler <lists@...>
Date: 2012-11-16T06:39:07+09:00
Subject: Re: Question on exceptions

Justin Gamble wrote in post #1084633:

> Like I said above, the two operations that I want this program to do
> are:
> 1) When making a withdrawal, it cant withdraw if there are insufficient
> funds thus prompting the InsufficientFundsError

To raise an exception when the condition is met:

    raise InsufficientFundsError.new(1234,50,100)

However you will need to change your class so that it is a subclass of 
an existing exception, e.g.

class InsufficientFundsError < RuntimeError
  ...
end

and you will need to make the other corrections to these classes which 
should become obvious when you run and debug the program.

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