1 PKG lwt cstruct core core_kernel
  2 S lib
  3 S lib_test
  4 S lwt
  5 B _build/lib
  6 B _build/lib_test
  7 B _build/lwt

  1 lib/ch5.ml|94 col 18 warning| Unbound value take
  2 lib/ch5.ml|94 col 24 warning   1| Unbound value length
  3 lib/ch5.ml|95 col 19 warning   2| Unbound value drop
  4 lib/ch5.ml|95 col 25 warning   3| Unbound value length