1 files changed, 17 insertions, 0 deletions
diff --git a/src/variabledata.h b/src/variabledata.h
index 05363c646..89b166482 100644
--- a/src/variabledata.h
+++ b/src/variabledata.h
@@ -38,6 +38,11 @@ class VariableData notfinal
             DATA_BOOL
         };
 
+        VariableData()
+        { }
+
+        A_DELETE_COPY(VariableData)
+
         virtual ~VariableData()
         {}
 
@@ -48,9 +53,12 @@ class IntData final : public VariableData
 {
     public:
         explicit IntData(const int value) :
+            VariableData(),
             mData(value)
         { }
 
+        A_DELETE_COPY(IntData)
+
         int getData() const noexcept2 A_WARN_UNUSED
         { return mData; }
 
@@ -65,9 +73,12 @@ class StringData final : public VariableData
 {
     public:
         explicit StringData(const std::string &value) :
+            VariableData(),
             mData(value)
         { }
 
+        A_DELETE_COPY(StringData)
+
         const std::string &getData() const noexcept2 A_WARN_UNUSED
         { return mData; }
 
@@ -82,9 +93,12 @@ class FloatData final : public VariableData
 {
     public:
         explicit FloatData(const double value) :
+            VariableData(),
             mData(value)
         { }
 
+        A_DELETE_COPY(FloatData)
+
         double getData() const noexcept2 A_WARN_UNUSED
         { return mData; }
 
@@ -99,9 +113,12 @@ class BoolData final : public VariableData
 {
     public:
         explicit BoolData(const bool value) :
+            VariableData(),
             mData(value)
         { }
 
+        A_DELETE_COPY(BoolData)
+
         bool getData() const noexcept2 A_WARN_UNUSED
         { return mData; }