From 58ae34d2e6ff79800116b7edf227983e548e1e50 Mon Sep 17 00:00:00 2001
From: Roland Winklmeier <Roland.M.Winklmeier@gmail.com>
Date: Sat, 7 Feb 2015 21:28:17 +0100
Subject: [PATCH] Fix const correctness in xbus dataRef

---
 src/xbus/datarefs.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/xbus/datarefs.h b/src/xbus/datarefs.h
index e3301e8f5..f131f3c3b 100644
--- a/src/xbus/datarefs.h
+++ b/src/xbus/datarefs.h
@@ -56,7 +56,7 @@ namespace XBus
         void implSetAt(size_t index, T);
 
         template <typename T>
-        T implGetAt(size_t index);
+        T implGetAt(size_t index) const;
 
     private:
         XPLMDataRef m_ref;
@@ -179,9 +179,9 @@ namespace XBus
     template <>
     inline void ArrayDataRefImpl::implSetAt<float>(size_t i, float d) { assert(i <= m_size); XPLMSetDatavf(m_ref, &d, (int)i, 1); }
     template <>
-    inline int ArrayDataRefImpl::implGetAt<int>(size_t i) { assert(i <= m_size); int d; XPLMGetDatavi(m_ref, &d, (int)i, 1); return d; }
+    inline int ArrayDataRefImpl::implGetAt<int>(size_t i) const { assert(i <= m_size); int d; XPLMGetDatavi(m_ref, &d, (int)i, 1); return d; }
     template <>
-    inline float ArrayDataRefImpl::implGetAt<float>(size_t i) { assert(i <= m_size); float d; XPLMGetDatavf(m_ref, &d, (int)i, 1); return d; }
+    inline float ArrayDataRefImpl::implGetAt<float>(size_t i) const { assert(i <= m_size); float d; XPLMGetDatavf(m_ref, &d, (int)i, 1); return d; }
 
 } // namespace