JSON keys as symbols instead of strings in Ruby

Here’s a quickie that saved me from having to write a recursive symbolize_keys method.  I was dealing with stringified JSON in the params of one of my rails controllers.  I wanted to do the usual call to params[:foo], but when I did JSON.parse  on the string, the keys were strings instead of symbols, so I would need to do params[‘foo’] instead.  Luckily, as of Ruby 1.9, it’s possible to pass in symbolize_names: true as an option.

 

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