glad to see 'implicit' conversions are now explicit as of rust 1.66.1

src/main.rs

@@ -1,13 +1,14 @@
 fn main() {
-    println!("coin toss: {}", pick_one("heads", "tails"));
-    println!("cash prize: {}", pick_one(500, 1000));
-    println!("cash prize: {}", pick_one(5.0, 1000));
-}
+    let a: [i32; 3] = [1, 2, 3];
+    let x: i8 = 15;
+    let y: i16 = 1000;
 
-fn pick_one<T>(a: T, b: T) -> T {
-    if std::process::id() % 2 == 0 {
-        return a
-    } else {
-        return b
+    for i in 0..3 {
+        println!("a[{i}]: {}", a[i]);
+        println!("a[{i}] * x * y = {}", multiply(a[i], x.into(), y.into()));
     }
 }
+
+fn multiply(a: i32, x: i32, y: i32) -> i32 {
+    return a * x * y;
+}