From dd284526cbd785b777b6c07c3e4a5beb9cf4a938 Mon Sep 17 00:00:00 2001
From: Jeremiah Russell <jerry@jrussell.ie>
Date: Mon, 29 Sep 2025 17:35:44 +0100
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20feat(lib):=20add=20addition=20funct?=
 =?UTF-8?q?ion=20with=20test?=
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- create add function to sum two u64 numbers
- include basic test to verify functionality
---
 src/lib.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 src/lib.rs

diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..b93cf3f
--- /dev/null
+++ b/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);
+    }
+}