From 3c8fd95682810afd9f784d9ea54e14cc3535273c Mon Sep 17 00:00:00 2001
From: Gaëtan Gilbert
Date: Tue, 7 Jul 2020 15:13:33 +0200
Subject: Syntax for specifying cumulative inductives

---
 test-suite/success/CumulInd.v | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 test-suite/success/CumulInd.v

(limited to 'test-suite')

diff --git a/test-suite/success/CumulInd.v b/test-suite/success/CumulInd.v
new file mode 100644
index 0000000000..f24d13b8af
--- /dev/null
+++ b/test-suite/success/CumulInd.v
@@ -0,0 +1,20 @@
+
+(* variances other than Invariant are forbidden for non-cumul inductives *)
+Fail Inductive foo@{+u} : Prop := .
+Fail Polymorphic Inductive foo@{*u} : Prop := .
+Inductive foo@{=u} : Prop := .
+
+Set Universe Polymorphism.
+Set Polymorphic Inductive Cumulativity.
+
+Inductive force_invariant@{=u} : Prop := .
+Fail Definition lift@{u v | u < v} (x:force_invariant@{u}) : force_invariant@{v} := x.
+
+Inductive force_covariant@{+u} : Prop := .
+Fail Definition lift@{u v | v < u} (x:force_covariant@{u}) : force_covariant@{v} := x.
+Definition lift@{u v | u < v} (x:force_covariant@{u}) : force_covariant@{v} := x.
+
+Fail Inductive not_irrelevant@{*u} : Prop := nirr (_ : Type@{u}).
+Inductive check_covariant@{+u} : Prop := cov (_ : Type@{u}).
+
+Fail Inductive not_covariant@{+u} : Prop := ncov (_ : Type@{u} -> nat).
-- 
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