Error found:
in module ExtraRecordField
at tests/purs/failing/ExtraRecordField.purs:9:13 - 9:54 (line 9, column 13 - line 9, column 54)

  Type of expression contains additional label age.

while checking that expression { first: "Jane"
                               , last: "Smith"
                               , age: 29      
                               }              
  has type { first :: String
           , last :: String 
           }                
while applying a function full
  of type { first :: String
          , last :: String 
          }                
          -> String        
  to argument { first: "Jane"
              , last: "Smith"
              , age: 29      
              }              
in value declaration oops

See https://github.com/purescript/documentation/blob/master/errors/AdditionalProperty.md for more information,
or to contribute content related to this error.