1 files changed, 13 insertions, 0 deletions
diff --git a/add/add-one/src/lib.rs b/add/add-one/src/lib.rs
new file mode 100644
index 0000000..40ceb12
--- /dev/null
+++ b/add/add-one/src/lib.rs
@@ -0,0 +1,13 @@
+pub fn add_one(x: i32) -> i32 {
+    x + 1
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        assert_eq!(3, add_one(2));
+    }
+}