rustlings vec primitive types

exercises/02_functions/functions1.rs

@@ -0,0 +1,8 @@
+// TODO: Add some function with the name `call_me` without arguments or a return value.
+fn call_me() {
+    println!("You called the function!");
+}
+
+fn main() {
+    call_me(); // Don't change this line
+}