From 69d3d6235c216fafca30a492e36877d9535f206a Mon Sep 17 00:00:00 2001
From: Harrison Grodin <harrison.grodin@gmail.com>
Date: Thu, 3 Jan 2019 11:41:19 -0500
Subject: [PATCH] Revert #63

---
 Manifest.toml | 10 +++-------
 Project.toml  |  1 -
 src/rule.jl   |  4 ++--
 3 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/Manifest.toml b/Manifest.toml
index 4d2efe9..38c4bac 100644
--- a/Manifest.toml
+++ b/Manifest.toml
@@ -1,3 +1,5 @@
+# This file is machine-generated - editing it directly is not advised
+
 [[Base64]]
 uuid = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
 
@@ -28,7 +30,7 @@ uuid = "b552c78f-8df3-52c6-915a-8e097449b14b"
 version = "0.0.7"
 
 [[Distributed]]
-deps = ["LinearAlgebra", "Random", "Serialization", "Sockets"]
+deps = ["Random", "Serialization", "Sockets"]
 uuid = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 
 [[InteractiveUtils]]
@@ -58,12 +60,6 @@ version = "0.4.4"
 deps = ["Base64"]
 uuid = "d6f4376e-aef5-505a-96c1-9c027394607a"
 
-[[Memoize]]
-deps = ["Test"]
-git-tree-sha1 = "d9683969337ad20dc957122038bd2c0ead4b5209"
-uuid = "c03570c3-d221-55d1-a50c-7939bbd78826"
-version = "0.3.0"
-
 [[Mmap]]
 uuid = "a63ad114-7e13-5084-954f-fe012c677804"
 
diff --git a/Project.toml b/Project.toml
index ccbb503..c5d701c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -6,7 +6,6 @@ version = "0.1.0"
 [deps]
 Combinatorics = "861a8166-3701-5b0c-9a16-15d98fcdc6aa"
 DiffRules = "b552c78f-8df3-52c6-915a-8e097449b14b"
-Memoize = "c03570c3-d221-55d1-a50c-7939bbd78826"
 MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
 SpecialSets = "c6b63f46-9023-11e8-3b28-1f7d8c94880d"
 
diff --git a/src/rule.jl b/src/rule.jl
index 97a463f..507ccdd 100644
--- a/src/rule.jl
+++ b/src/rule.jl
@@ -1,4 +1,4 @@
-using DiffRules, Memoize
+using DiffRules
 
 export Rules
 export normalize
@@ -26,7 +26,7 @@ Base.vcat(rss::Rules...) = Rules([(rs.rules for rs ∈ rss)...;])
 
 
 normalize(rs::Rules) = Base.Fix2(normalize, rs)
-@memoize function normalize(t::Term, rs::Rules)
+function normalize(t::Term, rs::Rules)
     while true
         t = map(normalize(rs), t)  # FIXME: replace with `subexpressions`
         t′ = foldl(normalize, rs; init=t)