Tuesday, October 18, 2011

[Rails] Re: adding key/value pairs to hash wrongfully adds a right bracket

On Oct 17, 10:27 pm, John Merlino <stoici...@aol.com> wrote:
> Hey all,
>
> THis line of code gets called multiple times and creates a hash:
>
>   def session_code(unit_id, code)
>
>     s_code = session[:code]
>     unit_id_hash = s_code.detect {|h| h[unit_id]}
>
>     if unit_id_hash.nil?
>       unit_id_hash = {}
>       s_code << {unit_id => unit_id_hash}
>     end

The two branches of this code result in unit_id_hash looking somewhat
different .

In the case where you find something in s_code, what you're setting
unit_id_hash to is something of the form {unit_id => {...}} whereas I
expect you're expect it to be the value from that hash for the key
unit_id

Fred

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