validator

gistfile1.txt

    Validators = [                                                                                                                                                      
                  {<<"count">>,   {integer, [{min, 1}, {optional, 20}]}},                                                                                               
                  {<<"enabled">>, {boolean, []}}                                                                                                                        
                 ],                                                                                                                                                     
    {ok, [Count, Enabled]} =                                                                                                                                            
        validator:validate_json(JsonData, Validators, #val_opts{throw    = true,                                                                                        
                                                                acc_type = values                                                                                       
                                                               }).