/in/foo.cc: In member function 'bign bign::operator=(int)':
/in/foo.cc:67:2: warning: no return statement in function returning non-void [-Wreturn-type]
  }
  ^
/in/foo.cc: In member function 'bign bign::operator=(char*)':
/in/foo.cc:77:2: warning: no return statement in function returning non-void [-Wreturn-type]
  }
  ^