From 7c47bab45686e90ee50e6c7eaae3230cb7ce9e53 Mon Sep 17 00:00:00 2001
From: Cyril Cohen
Date: Fri, 20 Nov 2020 03:10:59 +0100
Subject: Using Arguments / to deal with volatile definitions

---
 mathcomp/solvable/gfunctor.v | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'mathcomp/solvable')

diff --git a/mathcomp/solvable/gfunctor.v b/mathcomp/solvable/gfunctor.v
index 2fcb8ac..1f8c26f 100644
--- a/mathcomp/solvable/gfunctor.v
+++ b/mathcomp/solvable/gfunctor.v
@@ -148,7 +148,7 @@ Definition monotonic :=
 
 Variables (k : unit) (F1 F2 : object_map).
 
-Definition comp_head : object_map := fun gT A => let: tt := k in F1 (F2 A).
+Definition comp : object_map := fun gT A => F1 (F2 A).
 
 Definition modulo : object_map :=
   fun gT A => coset (F2 A) @*^-1 (F1 (A / (F2 A))).
@@ -244,7 +244,8 @@ Export GFunctor.Exports.
 
 Bind Scope gFun_scope with GFunctor.object_map.
 
-Notation "F1 \o F2" := (GFunctor.comp_head tt F1 F2) : gFun_scope.
+Arguments GFunctor.comp F1 F2 _ /.
+Notation "F1 \o F2" := (GFunctor.comp F1 F2) : gFun_scope.
 Notation "F1 %% F2" := (GFunctor.modulo F1 F2) : gFun_scope.
 
 Section FunctorGroup.
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