From 39b93f377635dc81e04826f52cbb6b72c19e8b04 Mon Sep 17 00:00:00 2001
From: Leonardo de Moura <leonardo@microsoft.com>
Date: Fri, 22 Jul 2016 16:43:54 -0700
Subject: [PATCH] refactor(library/init/functor): better signature

---
 library/init/functor.lean | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/init/functor.lean b/library/init/functor.lean
index e82209d99d..15cd5e32ce 100644
--- a/library/init/functor.lean
+++ b/library/init/functor.lean
@@ -8,7 +8,7 @@ prelude
 structure functor [class] (f : Type → Type) : Type :=
 (map : Π {a b: Type}, (a → b) → f a → f b)
 
-inline definition fmap {A B : Type} {F : Type → Type} [functor F] (f : A → B) (a : F A) : F B :=
+inline definition fmap {F : Type → Type} [functor F] {A B : Type} (f : A → B) (a : F A) : F B :=
 functor.map f a
 
 infixr ` <$> `:100 := fmap