a
No exception
b
Uncaught exception Backtrace2.Error("b")
Raised at file "backtrace2.ml", line 6, characters 21-32
Called from file "backtrace2.ml", line 6, characters 42-53
Called from file "backtrace2.ml", line 6, characters 42-53
Called from file "backtrace2.ml", line 6, characters 42-53
Called from file "backtrace2.ml", line 6, characters 42-53
Called from file "backtrace2.ml", line 6, characters 42-53
Called from file "backtrace2.ml", line 10, characters 4-11
Re-raised at file "backtrace2.ml", line 12, characters 68-71
Called from file "backtrace2.ml", line 17, characters 11-23
Uncaught exception Backtrace2.Error("c")
Raised at file "backtrace2.ml", line 13, characters 26-37
Called from file "backtrace2.ml", line 17, characters 11-23
Uncaught exception Backtrace2.Error("d")
Raised at file "backtrace2.ml", line 6, characters 21-32
Called from file "backtrace2.ml", line 6, characters 42-53
Called from file "backtrace2.ml", line 6, characters 42-53
Called from file "backtrace2.ml", line 6, characters 42-53
Called from file "backtrace2.ml", line 6, characters 42-53
Called from file "backtrace2.ml", line 6, characters 42-53
Called from file "backtrace2.ml", line 10, characters 4-11
Called from file "backtrace2.ml", line 17, characters 11-23
Uncaught exception Invalid_argument("index out of bounds")
Raised by primitive operation at file "backtrace2.ml", line 17, characters 14-22