compat

2017-06-28 12:38:35 +02:00
parent e1385adec5
commit 3d5696b644
1 changed files with 7 additions and 0 deletions
@@ -156,7 +156,14 @@ public:
        next();
        return *this;
    }
+#if __cplusplus>=201103L
    inline explicit operator bool() const { return elem.get(); }
+#else
+private:
+    typedef const Monitor* const * hidden_bool_type;
+public:
+    operator hidden_bool_type() const { return elem.get() ? &mon : 0; }
+#endif
    inline MonitorElement* operator->() { return elem.get(); }
    inline MonitorElement& operator*() { return *elem; }
    inline MonitorElement* get() { return elem.get(); }