From 21269d0fef6794a672c36abdc5760889adc0e09c Mon Sep 17 00:00:00 2001
From: Gaëtan Gilbert
Date: Thu, 16 May 2019 14:21:37 +0200
Subject: binder_kind Generalized: remove 1st arg as it's always Implicit

https://coq.inria.fr/distrib/current/refman/language/gallina-extensions.html#implicit-generalization
>The generalizing binders `{ } and `( ) work similarly to their
>explicit counterparts, only binding the generalized variables
>implicitly, as maximally-inserted arguments.

I guess this was meant to provide a way to get "(A:_) {B:bla A}" from
"`{B:bla A}" (where A is generalizable) but there's no syntax for it
so let's drop the ml side until such a syntax exists.
---
 interp/constrexpr_ops.ml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'interp/constrexpr_ops.ml')

diff --git a/interp/constrexpr_ops.ml b/interp/constrexpr_ops.ml
index 443473d5b6..bcb2f34377 100644
--- a/interp/constrexpr_ops.ml
+++ b/interp/constrexpr_ops.ml
@@ -34,8 +34,8 @@ let abstraction_kind_eq ak1 ak2 = match ak1, ak2 with
 
 let binder_kind_eq b1 b2 = match b1, b2 with
 | Default bk1, Default bk2 -> binding_kind_eq bk1 bk2
-| Generalized (bk1, ck1, b1), Generalized (bk2, ck2, b2) ->
-  binding_kind_eq bk1 bk2 && binding_kind_eq ck1 ck2 &&
+| Generalized (ck1, b1), Generalized (ck2, b2) ->
+  binding_kind_eq ck1 ck2 &&
   (if b1 then b2 else not b2)
 | _ -> false
 
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