Keep hex representation

build.rs

@@ -1,5 +1,21 @@
+use std::fmt;
+
+enum Num<'a> {
+    Hex(&'a str),
+    Dec(i32),
+}
+
+impl<'a> fmt::Display for Num<'a> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Num::Hex(h) => write!(f, "{h}"),
+            Num::Dec(d) => write!(f, "{d}"),
+        }
+    }
+}
+
 enum Variable<'a> {
-    Int(&'a str, i32),
+    Int(&'a str, Num<'a>),
     String(&'a str, &'a str),
 }
 
@@ -33,9 +49,9 @@ fn create_config_struct(content: &str, path: &str, struct_name: &str) {
                 Variable::Int(
                     name,
                     if value.starts_with("0x") {
-                        i32::from_str_radix(value.trim_start_matches("0x"), 16).unwrap()
+                        Num::Hex(value)
                     } else {
-                        str::parse(value).unwrap()
+                        Num::Dec(str::parse(value).unwrap())
                     },
                 )
             }