Generate toFileString for structs

pom.xml

@@ -30,7 +30,7 @@
 
     <groupId>de.monticore.lang.monticar</groupId>
     <artifactId>embedded-montiarc-math-generator</artifactId>
-    <version>0.1.11-SNAPSHOT</version>
+    <version>0.1.12-SNAPSHOT</version>
 
     <!-- == PROJECT DEPENDENCIES ============================================= -->
 

src/main/resources/template/type/Struct.ftl

@@ -12,4 +12,20 @@ ${f.type} ${f.name}<#if f.initializer?has_content> = ${f.initializer}</#if>;
 </#list>
 };
 
+std::ostream& operator<<(std::ostream& os, const ${viewModel.includeName}& s)
+{
+    os << '{';
+    <#list viewModel.fields as f>
+    os << "${f.name}: " << s.${f.name};
+    <#if f?has_next>os << ", ";</#if>
+    </#list>
+    os << '}';
+    return os;
+}
+
+void toFileString(std::ofstream& myfile, const ${viewModel.includeName}& s){
+    myfile << s;
+}
+
+
 #endif