From: Brian Candler <b.candler@...>
Date: 2008-11-21T17:48:06+09:00
Subject: Re: can't convert Hash into String

> 33:     address += ' '

It looks like address is a String

> 35:     if hotel['postalCode'][0].is_a?(Hash)

You are checking explicitly that hotel['postalCode'][0] is indeed a Hash

> 36:         address += hotel['postalCode'][0]

You are trying to do string + hash, which doesn't make sense (and that's 
what Ruby is telling you)

Have a look at what is actually being sent to you, i.e. the contents of 
the hash, using hotel.inspect

Perhaps you  if hotel[...][..].is_a?(String) earlier on. Or perhaps you 
need another level of deferenecing, e.g. hotel[...][...][...] to get to 
the value you want. Without seeing the contents of the 'hotel' object, I 
can't say.

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