marshal_load(x) public

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May 19, 2009
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Method functions like Hash#merge!

This method functions a lot like Hash#merge! only with a different name.

f = OpenStruct.new
# => #<OpenStruct>
f.marshal_load({:foo => 'bar'})
# => #<OpenStruct foo="bar">
# => "bar"
May 20, 2009
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Symbol Keys Only

While OpenStruct#new is rather indifferent to the kind of keys submitted, marshal_load requires Symbol keys only. Use of a string can cause difficulty.

To fix:

marshal_load(hash.inject({ }) { |h, (k,v)| h[k.to_sym] = v; h })

As a note, Rails has the Hash#symbolize_keys method that can be used in place.