Max Williams wrote:
> You can't pass ruby objects from the form to the controller because the 
> browser has no concept of ruby or rails or any of that stuff.  However, 
> you can build a hash to put into params like this
> 
> <%= hidden_field_tag "foo[bar]", "hello" %>
> 
> which creates this situation
> 
> params => {:foo => {:bar => "hello"}}
> 
> Knowing this, you can make a hidden field tag, or set of hidden field 
> tags, which recreates the hash you want to pass through.  Ultimately, 
> this is all that a form does:  it builds a data structure inside params, 
> which is a hash that can contain other hashes, strings, and arrays.

But when I get the hash object from params, I get a String object 
instead of a hash object.
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