From 1d34f15ca5cf715a64a825042dc3a7da73c58ff8 Mon Sep 17 00:00:00 2001
From: Rob Rix <rob.rix@me.com>
Date: Thu, 21 Dec 2017 10:48:12 -0500
Subject: [PATCH] :memo: revive.

---
 src/Control/Monad/Effect/Dead.hs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Control/Monad/Effect/Dead.hs b/src/Control/Monad/Effect/Dead.hs
index 663cbdb43..1037dc8a9 100644
--- a/src/Control/Monad/Effect/Dead.hs
+++ b/src/Control/Monad/Effect/Dead.hs
@@ -14,6 +14,8 @@ newtype Dead a = Dead { unDead :: Set a }
 class Monad m => MonadDead t m where
   -- | Update the current 'Dead' set.
   killAll :: Dead t -> m ()
+
+  -- | Revive a single term, removing it from the current 'Dead' set.
   revive :: Ord t => t -> m ()
 
 instance (State (Dead t) :< fs) => MonadDead t (Eff fs) where