working on

src/Motorradvermietung.cpp

@@ -1,4 +1,24 @@
 #include <iostream>
+#include <string>
+
+using namespace std;
+
+class customer
+{
+private:
+    string name;
+    string first_name;
+    string street;
+    string street_no;
+    string postal_code;
+    string city;
+    int year_of_birth = 1900;
+    string phone_no;
+    bool has_driving_license = false;
+public:
+
+
+};
 
 int main()
 {

src/Motorradvermietung.vcxproj

@@ -134,7 +134,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
-      <PrecompiledHeader>Use</PrecompiledHeader>
+      <PrecompiledHeader>NotUsing</PrecompiledHeader>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>