From 90ad5bc45ef850a33f0a2c5b49eac0d74ec24f81 Mon Sep 17 00:00:00 2001
From: Rob Rix <rob.rix@me.com>
Date: Wed, 30 May 2018 10:37:16 -0400
Subject: [PATCH] Add a hint about maybeM.

---
 HLint.hs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/HLint.hs b/HLint.hs
index f0efa0933..e02ff38b5 100644
--- a/HLint.hs
+++ b/HLint.hs
@@ -31,3 +31,5 @@ error "avoid init" = init
 
 error "avoid last" = last
   where note = "last is partial; consider pattern-matching"
+
+error "use maybeM" = maybe a pure ==> maybeM a