From d2e392b6377948abe820443dc64b3892ee3c279d Mon Sep 17 00:00:00 2001
From: Justin Le <justin@jle.im>
Date: Wed, 20 Jun 2018 12:05:42 -0700
Subject: [PATCH] backprop and hmatrix-backprop enabled

Their dependencies on type-combinators have been removed, so they work on ghc 8.4 now :)
---
 build-constraints.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index d2a896d9..69ce5272 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1802,10 +1802,10 @@ packages:
 
     "Justin Le <justin@jle.im> @mstksg":
         - auto
-        - backprop < 0 # GHC 8.4 via type-combinators
+        - backprop
         - configurator-export
         - hamilton
-        - hmatrix-backprop < 0 # GHC 8.4 via ghc-typelits-knownnat
+        - hmatrix-backprop
         - hmatrix-vector-sized
         - one-liner-instances
         - prompt