From: Sebastian Hungerecker <sepp2k@...>
Date: 2008-06-26T01:08:55+09:00
Subject: Re: Question on passing blocks

Ruby Freak wrote:
> def thrice
>     yield
>     yield
>     yield
> end
> [...]
> # broken from here down
>
> thrice  { |x| x += 1 }

You're passing a block that takes one argument (x) to a method that yields 
none. Also: it's usually not a good idea, to reassign a block argument. That 
almost certainly does not do what you want.

HTH,
Sebastian
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