Add EnumIndexedVector::indices().

diff --git a/src/lib/enum_indexed_vector.h b/src/lib/enum_indexed_vector.h
index 0187daba2f0a93389d6448d345f61cf4492b1762..ee34575ea3bd82758c6e1fdde8131a36dcef5ffb 100644 (file)
--- a/src/lib/enum_indexed_vector.h
+++ b/src/lib/enum_indexed_vector.h
@@ -70,8 +70,18 @@ public:
                return _data.end();
        }
 
+       std::vector<Enum> indices() const {
+               if (_indices.empty()) {
+                       for (int i = 0; i < static_cast<int>(Enum::COUNT); ++i) {
+                               _indices.push_back(static_cast<Enum>(i));
+                       }
+               }
+               return _indices;
+       }
+
 private:
        std::vector<Type> _data;
+       mutable std::vector<Enum> _indices;
 };