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Ingy döt Net 2024-10-16 18:07:41 -07:00
parent 81fd053722
commit 52a6ef48dd
10248 changed files with 63654 additions and 6775 deletions
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Task/Undefined-values/OCaml/undefined-values.ml Normal file
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(* There is no undefined value in OCaml,
but if you really need this you can use the built-in "option" type.
It is defined like this: type 'a option = None | Some of 'a *)
let inc = function
Some n -> Some (n+1)
| None -> failwith "Undefined argument";;
inc (Some 0);;
(* - : value = Some 1 *)
inc None;;
(* Exception: Failure "Undefined argument". *)