View Compilation Error

0_0_37854273_12195.cpp:45:45: error: expected '}' at end of input
  #define fun(n,a,x) poly&n(a){x return*this;}
                                             ^
0_0_37854273_12195.cpp:58:6: note: in expansion of macro 'fun'
      fun(resize,int nlen,if(nlen>len)clear(len,nlen-len);len=nlen;)//
      ^
0_0_37854273_12195.cpp:45:45: error: expected unqualified-id at end of input
  #define fun(n,a,x) poly&n(a){x return*this;}
                                             ^
0_0_37854273_12195.cpp:58:6: note: in expansion of macro 'fun'
      fun(resize,int nlen,if(nlen>len)clear(len,nlen-len);len=nlen;)//
      ^
0_0_37854273_12195.cpp:45:45: error: expected '}' at end of input
  #define fun(n,a,x) poly&n(a){x return*this;}
                                             ^
0_0_37854273_12195.cpp:58:6: note: in expansion of macro 'fun'
      fun(resize,int nlen,if(nlen>len)clear(len,nlen-len);len=nlen;)//
      ^