Completed exercise up to Traits

2026-02-01 16:38:57 +01:00
parent 9ef3441dba
commit b1b81f7e07
33 changed files with 732 additions and 71 deletions
--- a/exercises/13_error_handling/errors2.rs
+++ b/exercises/13_error_handling/errors2.rs
@@ -21,7 +21,14 @@ fn total_cost(item_quantity: &str) -> Result<i32, ParseIntError> {
    let cost_per_item = 5;

    // TODO: Handle the error case as described above.
-    let qty = item_quantity.parse::<i32>();
+    let qty = item_quantity.parse::<i32>()?;
+
+    // OR
+    // let qty_result = item_quantity.parse::<i32>();
+    // let qty = match qty_result {
+    //     Ok(number) => number,
+    //     Err(e) => return Err(e),
+    // };

    Ok(qty * cost_per_item + processing_fee)
 }