I noticed that as of rails 2.x all hash keys were intended to be
double quoted in JSON encodings. Indeed there's an ActiveSupport test
method called "test_hash_key_identifiers_are_always_quoted". I noticed
however that this isn't actually the case -- numeric keys are not
double quoted:
>> {1 => 2}.to_json
=> "{1: 2}"
Is this intentional or a bug? If all keys were double quoted this
would become:
>> {1 => 2}.to_json
=> "{\"1\": 2}"
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