From 12ae9736b384d58d65e9c67186321241e2488489 Mon Sep 17 00:00:00 2001
From: Nathan Perry <avaglir@gmail.com>
Date: Mon, 4 Mar 2019 11:21:23 -0500
Subject: improve assoc of roll

---
 src/main.rs | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
index 2f6126a..4515c6d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,7 @@
 #![feature(impl_trait_in_bindings)]
 #![feature(try_trait)]
 #![feature(pattern)]
+#![feature(concat_idents)]
 
 #![feature(box_syntax, box_patterns)]
 
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