From: Tobias Reif <tobiasreif@...>
Date: 2002-03-19T21:17:51+09:00
Subject: Re: Wanted: slick rubyesqe algorithm

Marko Schulz wrote:


> I am always a little afraid to modify a structure I am iterating
> over. Different languages and libraries are differently robust
> concerning this. Is it generally OK to do this in ruby?


I once generated a hash from lines in a file
(first_line = key; second_line = value; etc.),
and somehow the result was really garbled: missing stuff etc.

When I switched to using an array of two-element arrays, it worked well, 
IIRC.
Unfortunately, I don't have the failing code anymore, but since then, I 
don't trust hashes anymore, which probably is unjustified.

Does anyone have an idea what I might have done wrong?
I think it has to do with "modifying a structure I am iterating over".


Tobi

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