From 0b52ef47be0d30e415605c2fe48ff7491eb6a978 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Thu, 24 Aug 2017 14:33:20 +1000
Subject: [PATCH] coord/ops: make make_foo functions constexpr

---
 coord/ops.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/coord/ops.hpp b/coord/ops.hpp
index 2e488311..d8b47903 100644
--- a/coord/ops.hpp
+++ b/coord/ops.hpp
@@ -1099,7 +1099,7 @@ namespace util {
         typename _T = void,                 \
         typename ...Args                    \
     >                                       \
-    auto                                    \
+    constexpr auto                          \
     make_##KLASS (Args &&...args)           \
     {                                       \
         using T = std::conditional_t<       \