control flow, primitive types and vectors

exercises/03_if/if1.rs

@@ -4,10 +4,13 @@ fn bigger(a: i32, b: i32) -> i32 {
     // Do not use:
     // - another function call
     // - additional variables
+
+    if a > b { a } else { b }
 }
 
 fn main() {
     // You can optionally experiment here.
+    println!("{}", bigger(32, 42));
 }
 
 // Don't mind this for now :)