1

.gitignore

@@ -0,0 +1,2 @@
+target/
+*.lock

src/lib.rs

@@ -6,3 +6,7 @@ mod tests {
         assert_eq!(result, 4);
     }
 }
+
+mod xvalue;
+
+pub use xvalue::XValue;

src/xvalue.rs

@@ -0,0 +1,35 @@
+pub enum XValue<T> {
+    _IntVal(i64),
+    _UserData(T)
+}
+
+
+impl<T> XValue<T> {
+
+    pub fn new() -> Self {
+        return XValue::<T>::_IntVal(0);
+    }
+
+    pub fn get_i64(&self) -> i64 {
+        match self {
+            XValue::_IntVal(v) => {
+                return *v;
+            },
+            XValue::_UserData(_v) => {
+                return 0;
+            }
+        }
+    }
+
+    pub fn set_i64(&mut self, val: i64) {
+        match self {
+            XValue::_IntVal(v) => {
+                *v = val;
+            },
+            XValue::_UserData(_v) => {
+                *self = XValue::<T>::_IntVal(0);
+            }
+        }
+    }
+
+}