fix(structs3): Add panic! statement into structs3
closes
@@ -16,7 +16,7 @@ struct Package {
impl Package {
fn new(sender_country: String, recipient_country: String, weight_in_grams: i32) -> Package {
if weight_in_grams <= 0 {
- // panic statement goes here...
+ panic!("Can not ship a weightless package.")
} else {
Package {
sender_country,
