From 0699f362fb681fa4942829ce10ef421b8e8f450e Mon Sep 17 00:00:00 2001
From: Oleg Grenrus <oleg.grenrus@iki.fi>
Date: Thu, 15 Sep 2016 12:14:59 +0300
Subject: [PATCH] Add recursion-schemes

---
 build-constraints.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index afa6a191..be69e9a5 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1031,6 +1031,7 @@ packages:
         # GHC 8 - haxl
         - monad-time
         - packdeps
+        - recursion-schemes
         - unordered-containers
 
         # fft