From: Ari Brown <ari@...>
Date: 2007-09-27T08:40:33+09:00
Subject: Re: Aliasing return false


On Sep 26, 2007, at 7:24 PM, Logan Capaldo wrote:

> this is evil

Because it uses eval?

>
> % cat rule.rb
> def rule(&b)
>   r = b.call
>   eval("return false", b) unless r
> end
>
> def a
>   rule { false }
>   0
> end
>
> def b
>   rule { true }
>   1
> end
>
> p a
> p b
>
> % ruby rule.rb
> false
> 1

Damn you, evil geniuses! Damn you!

I can't believe I didn't think of this. This is why you win and I don't.

Thanks ridonculously,
Ari
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Nietzsche is my copilot