From: Albert Schlef <albertschlef@...>
Date: 2009-12-31T14:39:28+09:00
Subject: Re: Why can't I use "or" here?

Albert Schlef wrote:
> Well. it turns out there aren't that many ways in ruby.
> 
> I originally tried to do the following:
> 
>   some_func(ARGV[0] or raise "You must provide an argument")
> 
> I wish it worked. But it doesn't. So I changed it to:
> 
>   some_func(ARGV[0] || raise "You must provide an argument")
> 
> It still didn't work. So finally I did:
> 
>   some_func(ARGV[0] || (raise "You must provide an argument"))
> 
> It works. But, I must say, it isn't as beautiful as my original plan. It 
> doesn't read as English.

Hey, I now see that this works:

    some_func((ARGV[0] or raise "You must provide an argument"))

Great. On the other hand, I won't be able to remember this the next time 
I need it.
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