qftAll :: FrozenSet String
qftAll =
  ConstantUtils.mkSet [qftBool,
                       qftNumber,
                       qftNumberFloat,
                       qftOther,
                       qftText,
                       qftTimestamp,
                       qftUnit,
                       qftUnknown]
qftAll :: FrozenSet String
qftAll =
  ConstantUtils.mkSet [qftBool,
                       qftNumber,
                       qftNumberFloat,
                       qftOther,
                       qftText,
                       qftTimestamp,
                       qftUnit,
                       qftUnknown]
qftAll =
  ConstantUtils.mkSet [qftBool,
                       qftNumber,
                       qftNumberFloat,
                       qftOther,
                       qftText,
                       qftTimestamp,
                       qftUnit,
                       qftUnknown]