From: Adam Prescott <adam@...>
Date: 2011-10-15T00:37:03+09:00
Subject: Re: What’s the best way of checking if an argument has been given or not?

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What's the situation this code is going to be used in?

What's wrong with rescuing?

>> def foo(a, b); [a, b]; end

>> begin; foo(); rescue(ArgumentError); "More, please."; end
=> "More, please."

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