9 lines
256 B
OCaml
Executable file
9 lines
256 B
OCaml
Executable file
[@@@warning "-20"]
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external observe : 'a -> 'b = "observe"
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let test = function
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| true -> observe 0
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| false -> observe 1
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| _ -> .
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(* Unreachable; if this annotation was incorrect,
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the OCaml compiler would error at pattern-checking-time *)
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