the return of JSON parse is not string

require ‘json’

>> a={“use”=>false}
=> {“use”=>false}
>> b=a.to_json
=> “{\”use\”:false}”
>> c=JSON.parse b
=> {“use”=>false}
>> if not c[“use”]
>> puts “json parse gives true and false boolean values”
>> end
json parse gives true and false boolean values
=> nil

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