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Re: indirect variable behavior breakage


From: christopher barry
Subject: Re: indirect variable behavior breakage
Date: Wed, 7 Mar 2018 15:20:34 -0500

On Wed, 7 Mar 2018 11:45:13 -0500
christopher barry <address@hidden> wrote:

===8<---snip

> 
> I am in fact using this method with associative arrays.
> 
> I have a default hash that is full of default values for a particular
> generic type of thing. Variations of this thing use many of the
> defaults, but also set some values uniquely. I could simply duplicate
> this hash everywhere, and edit the differences, but then changing
> any defaults would require a change everywhere.
> 
> As an alternative, I created a template hash that all non-default
> things start out with.
> 
> this template hash has all of it's values pointing to
> "default_hash[somekey]"
> 
> new things that need to change their specific values simply override
> that and put in their string.
> 
> Now, changes to actual values in default_hash are seen everywhere they
> are not overridden locally by the specific thing using it.
> 
> so reading a hash value may be an indirect pointer to the default_hash
> or an overridden value set by the specific thing using the hash.
> 
> ivar solves this nicely.
> 
> 
> But to get back on point, the bug in bash was nasty, and it's
> fantastic that it's fixed now, but throwing an error now, rather than
> simply returning 1 with no data is a bit like throwing the baby out
> with the bathwater.
> 
> 
>  -C

Chet,

Does modifying this current behavior sound like anything you would be
willing to entertain?


Appreciate your consideration,

Regards,
Christopher Barry
Rajant



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