From: Paul Hepworth <paul@...>
Date: 2006-07-08T01:26:36+09:00
Subject: Re: hyphens in variable names

Jacob Fugal wrote:
> On 7/7/06, Robert Klemme <shortcutter@googlemail.com> wrote:
>> Either use method send or use another tool to work with XML or use
>> another way to access objects (if this lib provides one, maybe
>> object["tee-list"] or object[:tree-list]).
> 
> I agree with Robert that if the lib provides hash-style access, that's
> probably a cleaner way to go. Note, though, that if the hash needs a
> symbol rather than a string, it will need to use quotes also, as I did
> in my other post:
> 
>   object[:'tree-list']

Now that makes sense. I never tried it like this. Wow, what an insight. 
:)

> 
> Omitting the quotes would give a syntax error:
> 
>   $ irb
>   >> hash = {}
>   => {}
>   >> hash[:tree-list]
>   NameError: undefined local variable or method `list' for main:Object

That is the error that I saw all too often.

> 
> Jacob Fugal


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