From b56b7c2a3f859427a4723e3b567b5fae54c29943 Mon Sep 17 00:00:00 2001
From: Richard Newman <rnewman@twinql.com>
Date: Thu, 9 Feb 2017 16:59:46 -0800
Subject: [PATCH] ValueType is Copy. r=jsantell

---
 core/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/lib.rs b/core/src/lib.rs
index cd792850..5f7709be 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -22,7 +22,7 @@ pub type Entid = i64;
 
 /// The attribute of each Mentat assertion has a :db/valueType constraining the value to a
 /// particular set.  Mentat recognizes the following :db/valueType values.
-#[derive(Clone,Debug,Eq,Hash,Ord,PartialOrd,PartialEq)]
+#[derive(Clone,Copy,Debug,Eq,Hash,Ord,PartialOrd,PartialEq)]
 pub enum ValueType {
     Ref,
     Boolean,