Added ValueType class

src/Parser/Statement/StatementMetaExternFunction.h

@@ -1,14 +1,16 @@
 #include "Parser/Statement/Statement.h"
 
+class ValueType;
+
 class StatementMetaExternFunction: public Statement {
 private:
     string name;
-    vector<pair<string, ValueType>> arguments;
-    ValueType returnValueType;
+    vector<pair<string, shared_ptr<ValueType>>> arguments;
+    shared_ptr<ValueType> returnValueType;
 
 public:
-    StatementMetaExternFunction(string name, vector<pair<string, ValueType>> arguments, ValueType returnValueType);
+    StatementMetaExternFunction(string name, vector<pair<string, shared_ptr<ValueType>>> arguments, shared_ptr<ValueType> returnValueType);
     string getName();
-    vector<pair<string, ValueType>> getArguments();
-    ValueType getReturnValueType();
+    vector<pair<string, shared_ptr<ValueType>>> getArguments();
+    shared_ptr<ValueType> getReturnValueType();
 };