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-rw-r--r--plugins/extraction/ExtrHaskellNatInt.v15
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diff --git a/plugins/extraction/ExtrHaskellNatInt.v b/plugins/extraction/ExtrHaskellNatInt.v
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-(** Extraction of [nat] into Haskell's [Int] *)
-
-Require Coq.extraction.Extraction.
-
-Require Import Arith.
-Require Import ExtrHaskellNatNum.
-
-(**
- * Disclaimer: trying to obtain efficient certified programs
- * by extracting [nat] into [Int] is definitively *not* a good idea.
- * See comments in [ExtrOcamlNatInt.v].
- *)
-
-Extract Inductive nat => "Prelude.Int" [ "0" "Prelude.succ" ]
- "(\fO fS n -> if n Prelude.== 0 then fO () else fS (n Prelude.- 1))".