foo.cc: In lambda function:
foo.cc:14:13: error: use of ‘read_row’ before deduction of ‘auto’
   14 |             read_row(i, j + 1);
      |             ^~~~~~~~
foo.cc: In lambda function:
foo.cc:21:13: error: use of ‘read_all’ before deduction of ‘auto’
   21 |             read_all(i + 1);
      |             ^~~~~~~~
foo.cc: In lambda function:
foo.cc:30:13: error: use of ‘sort_row’ before deduction of ‘auto’
   30 |             sort_row(i + 1);
      |             ^~~~~~~~
foo.cc: In lambda function:
foo.cc:39:13: error: use of ‘print_row’ before deduction of ‘auto’
   39 |             print_row(i, j + 1);
      |             ^~~~~~~~~
foo.cc: In lambda function:
foo.cc:48:13: error: use of ‘print_all’ before deduction of ‘auto’
   48 |             print_all(i + 1);
      |             ^~~~~~~~~