/in/foo.cc: In function 'int main()':
/in/foo.cc:8:9: error: 'ret' was not declared in this scope
    8 |         ret
      |         ^~~
/in/foo.cc:8:12: error: expected '}' at end of input
    8 |         ret
      |            ^
/in/foo.cc:4:1: note: to match this '{'
    4 | {
      | ^