From: Jason Lillywhite <jason.lillywhite@...>
Date: 2009-08-21T03:23:26+09:00
Subject: Re: extending ruby - handling errors

Ben Giddings wrote:
> def calculate_bounding_box(width, height)
>   begin
>      width_bound  = width.ceil
>      height_bound = height.ceil
>   rescue NoMethodError
>     raise ArgumentError, "width and height must be numeric"
>   end
>   width_bound * height_bound
> end

Thank you. I see that what I wanted is not a good idea. Doing a catch is 
better.

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