From af73775dc0c9c842e00cb7b7cc7d39d250141ce1 Mon Sep 17 00:00:00 2001
From: jellyfishsh <hikurage@protonmail.com>
Date: Sat, 12 Apr 2025 19:30:21 -0700
Subject: [PATCH] modified the project to become a library rather than a binary

---
 src/lib.rs  | 14 ++++++++++++++
 src/main.rs |  3 ---
 2 files changed, 14 insertions(+), 3 deletions(-)
 create mode 100644 src/lib.rs
 delete mode 100644 src/main.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);
+    }
+}
diff --git a/src/main.rs b/src/main.rs
deleted file mode 100644
index e7a11a9..0000000
--- a/src/main.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, world!");
-}