Changes in lemon/concepts/maps.h [576:f5bc148f7e1f:765:703ebf476a1d] in lemon

File:

• lemon/concepts/maps.h (modified) (1 diff)

lemon/concepts/maps.h

@@ -183 +183 @@
       template<typename _ReferenceMap>
       struct Constraints {
-        void constraints() {
+        typename enable_if<typename _ReferenceMap::ReferenceMapTag, void>::type
+        constraints() {
           checkConcept<ReadWriteMap<K, T>, _ReferenceMap >();
           ref = m[key];