View Compilation Error

0_0_39461043_11521.cpp:8:19: error: expected ')' before 'd'
    8 |         Node<T> (T d):data(d),next(NULL){}
      |                 ~ ^~
      |                   )
0_0_39461043_11521.cpp:9:18: error: expected unqualified-id before ')' token
    9 |         Node<T> ():next(NULL){}
      |                  ^