Does not work with Arduino Leonardo

[fzdm2022]

In file included from /Users/nianhong/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/avr/include/avr/io.h:144:0,
from /Users/nianhong/Library/Arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/avr/include/avr/pgmspace.h:90,
from /Users/nianhong/Library/Arduino15/packages/arduino/hardware/avr/1.8.6/cores/arduino/Arduino.h:28,
from /private/var/folders/m6/ddn9ts_94dd12d97lfshv26w0000gp/T/arduino/sketches/D9CF787D9417E82BAD5A9D028C83BD45/sketch/basics.ino.cpp:1:
/Users/nianhong/Documents/Arduino/libraries/ADS126X/src/definitions/ADS126X_definitions.h:418:13: error: expected unqualified-id before numeric constant
uint8_t DAT0:1; /*!< bit 0 GPIO[0] Pin Data /
^
/Users/nianhong/Documents/Arduino/libraries/ADS126X/src/definitions/ADS126X_definitions.h:419:13: error: expected unqualified-id before numeric constant
uint8_t DAT1:1; /!< bit 1 GPIO[1] Pin Data /
^
/Users/nianhong/Documents/Arduino/libraries/ADS126X/src/definitions/ADS126X_definitions.h:420:13: error: expected unqualified-id before numeric constant
uint8_t DAT2:1; /!< bit 2 GPIO[2] Pin Data /
^
/Users/nianhong/Documents/Arduino/libraries/ADS126X/src/definitions/ADS126X_definitions.h:421:13: error: expected unqualified-id before numeric constant
uint8_t DAT3:1; /!< bit 3 GPIO[3] Pin Data /
^
/Users/nianhong/Documents/Arduino/libraries/ADS126X/src/definitions/ADS126X_definitions.h:422:13: error: expected unqualified-id before numeric constant
uint8_t DAT4:1; /!< bit 4 GPIO[4] Pin Data /
^
/Users/nianhong/Documents/Arduino/libraries/ADS126X/src/definitions/ADS126X_definitions.h:423:13: error: expected unqualified-id before numeric constant
uint8_t DAT5:1; /!< bit 5 GPIO[5] Pin Data /
^
/Users/nianhong/Documents/Arduino/libraries/ADS126X/src/definitions/ADS126X_definitions.h:424:13: error: expected unqualified-id before numeric constant
uint8_t DAT6:1; /!< bit 6 GPIO[6] Pin Data /
^
/Users/nianhong/Documents/Arduino/libraries/ADS126X/src/definitions/ADS126X_definitions.h:425:13: error: expected unqualified-id before numeric constant
uint8_t DAT7:1; /!< bit 7 GPIO[7] Pin Data */
^

exit status 1

Compilation error: exit status 1