[usr@localhost]$ make && ./a.out -9 -b -Desto -aquello
rm a.out
rm: cannot remove `a.out': No such file or directory
make: [clean] Error 1 (ignored)
ocamlc test.ml
File "test.ml", line 32, characters 18-22:
but an expression was expected of type 'a ref
make: *** [all] Error 2
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