VS 2019 build fixed.

core/exprevaluator.h

@@ -11,19 +11,15 @@
 class CORESHARED_EXPORT ExprEvaluator
 {
 public:
-    ExprEvaluator();
+    ExprEvaluator() = default;
 
     bool evaluate(QObject *object, const QString &exp);
     void setCaseSensitive(bool caseSensitive);
 
 private:
-#ifdef _MSC_VER
-    QMap<QString, std::function<bool(QVariant, QVariant)> > m_operations;
-#else
     static const QMap<QString, std::function<bool(QVariant, QVariant)> > m_operations;
-#endif
 
-    bool m_caseSensitive;
+    bool m_caseSensitive{false};
 
     bool subEval(const QString &oper, const QString &expresion, QObject *object);
     void parseExpr(const QString &exp, QVariant &value, QString &oper, QVariant &condition, QObject *object);