/in/foo.cc: In function 'int main()':
/in/foo.cc:45:7: error: expected ';' before 't1'
  time t1(a,b,c);
       ^~
/in/foo.cc:45:16: warning: statement is a reference, not call, to function 'time' [-Waddress]
  time t1(a,b,c);
                ^
/in/foo.cc:45:16: warning: statement has no effect [-Wunused-value]
/in/foo.cc:46:2: error: 't1' was not declared in this scope
  t1.add(d);
  ^~