From: Tim Conner <crofty_james@...>
Date: 2008-07-17T06:01:57+09:00
Subject: The next number that is not in an array

I want to increment the current value of a variable to the next number
that does not appear in an array of restricted numbers.
e.g.
restricted_numbers = [2,3,4,5,8,10,15,29]

if the variable is currently storing 11 then I want to increment it to
12,
however if the variable is currently storing 1 then I want to increment
it to 6.

How is this done in ruby?
Thanks in advance
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