From: luke gruber <luke.gru@...>
Date: 2011-10-18T08:20:38+09:00
Subject: Re: How to use a method inside a block

Hey,

Try putting the method definition before the block:

> def mult(x,y)
>   x*y
> end

> (1..5).each do |n|
>   mult(n,2)
> end

This should work, I'm pretty sure. It has to do with the way Ruby treats
methods/variables that are first defined/invoked in a block. Since 
blocks open up a new scope (even if it's just a nested scope 
encompassing the previous), anything the parser sees that's first 
referenced in a block and isn't defined will throw an error.

That's my understanding, anyway.

-Luke

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