View Compilation Error

0_0_37854270_14456.cpp:43:45: error: expected '}' at end of input
  #define fun(n,a,x) poly&n(a){x return*this;}
                                             ^
0_0_37854270_14456.cpp:58:2: note: in expansion of macro 'fun'
  fun(resize,int nlen,if(nlen>len)clear(len,nlen-len);len=nlen;)///
  ^
0_0_37854270_14456.cpp:43:45: error: expected unqualified-id at end of input
  #define fun(n,a,x) poly&n(a){x return*this;}
                                             ^
0_0_37854270_14456.cpp:58:2: note: in expansion of macro 'fun'
  fun(resize,int nlen,if(nlen>len)clear(len,nlen-len);len=nlen;)///
  ^
0_0_37854270_14456.cpp:43:45: error: expected '}' at end of input
  #define fun(n,a,x) poly&n(a){x return*this;}
                                             ^
0_0_37854270_14456.cpp:58:2: note: in expansion of macro 'fun'
  fun(resize,int nlen,if(nlen>len)clear(len,nlen-len);len=nlen;)///
  ^