From 2915154835b8d0a90a5c3ca79c37d66142dc9a33 Mon Sep 17 00:00:00 2001 From: Pierre-Marie Pédrot Date: Wed, 10 Mar 2021 13:57:38 +0100 Subject: Add tests for the new Ltac2 Ind API. --- test-suite/ltac2/ind.v | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 test-suite/ltac2/ind.v diff --git a/test-suite/ltac2/ind.v b/test-suite/ltac2/ind.v new file mode 100644 index 0000000000..c06ffebabe --- /dev/null +++ b/test-suite/ltac2/ind.v @@ -0,0 +1,24 @@ +Require Import Ltac2.Ltac2. +Require Import Ltac2.Option. + +Ltac2 Eval + let nat := Option.get (Env.get [@Coq; @Init; @Datatypes; @nat]) in + let nat := match nat with + | Std.IndRef nat => nat + | _ => Control.throw Not_found + end in + let data := Ind.data nat in + (* Check that there is only one inductive in the block *) + let ntypes := Ind.ntypes data in + let () := if Int.equal ntypes 1 then () else Control.throw Not_found in + let nat' := Ind.get_type data 0 in + (* Check it corresponds *) + let () := if Ind.equal nat nat' then () else Control.throw Not_found in + (* Check the number of constructors *) + let nconstr := Ind.nconstructors data in + let () := if Int.equal nconstr 2 then () else Control.throw Not_found in + (* Create a fresh instance *) + let s := Ind.get_constructor data 1 in + let s := Env.instantiate (Std.ConstructRef s) in + constr:($s 0) +. -- cgit v1.2.3