On Tue, Nov 13, 2012 at 11:19 AM, Gavin Williams <fatmc...@gmail.com> wrote:
> After a quick google, came up with:
>
> #!/usr/bin/env ruby
>>
>> grades = { "Bob" => 82,
>> "Jim" => 94,
>> "Billy" => 58
>> }
>>
>> grades.each do|name,grade|
>> puts "#{name}: #{grade}"
>> end
>
>
> So now all I need to do is pull the existing options values and compile a
> hash to compare in the exists?, and use the above in the create...
Quick question on the create - how will it handle one property that
> matches, but one property that doesn't?
>
You need a hash diff between current values and desired values and iterate
through the difference. Hash properties are a bit more work, because the
retrieve method may return more options than you care to set. You have the
option to either munge and include default value to the user supplied
value, or override insync? method so the comparison operation does not
invoke option= method if the user specified value is a subset of the return
hash from the option method.
Alternatively if you only have a short number of options, you can just
implement them as properties instead.
Thanks,
Nan
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