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Leonidas-from-XIV/list_set_exn.ml

Created July 16, 2019 12:54
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Quick and dirty, non-TR list_set_exn
Raw
list_set_exn.ml
open Core
let rec list_set_exn index v = function
| [] -> []
| _ :: xs when index = 0 -> v :: xs
| x :: xs -> x :: list_set_exn (Int.pred index) v xs
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