started ch 11.1 and finished ch11 prelude

2025-07-06 02:57:13 -06:00 · 2025-02-07 01:51:18 +00:00
parent b00b78a773
commit 07fcd28db2
4 changed files with 164 additions and 0 deletions
--- a/adder/src/lib.rs
+++ b/adder/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);
+    }
+}