From 1e7f9b88624f3f5844aa255932c562d7a9ed67dc Mon Sep 17 00:00:00 2001
From: Rob Rix <rob.rix@me.com>
Date: Tue, 26 Sep 2017 13:03:44 -0400
Subject: [PATCH] :memo: algorithmFor.

---
 src/Algorithm.hs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Algorithm.hs b/src/Algorithm.hs
index d82ebfa01..794baaee3 100644
--- a/src/Algorithm.hs
+++ b/src/Algorithm.hs
@@ -109,6 +109,7 @@ algorithmForTerms t1@(Term (In ann1 f1)) t2@(Term (In ann2 f2))
 
 -- | A type class for determining what algorithm to use for diffing two terms.
 class Diffable f where
+  -- | Construct an algorithm to diff a pair of @f@s populated with disjoint terms.
   algorithmFor :: f term1
                -> f term2
                -> Algorithm term1 term2 result (f result)