diff --git a/rush_macro/Cargo.toml b/rush_macro/Cargo.toml
new file mode 100644
index 0000000..a3fc13a
--- /dev/null
+++ b/rush_macro/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "rush_macro"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+syn = { version = "2.0.100" }
+quote = { version = "1.0.40" }
+proc_macro2 = { version = "1.0.95" }
diff --git a/rush_macro/src/lib.rs b/rush_macro/src/lib.rs
new file mode 100644
index 0000000..b93cf3f
--- /dev/null
+++ b/rush_macro/src/lib.rs
@@ -0,0 +1,14 @@
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}