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Merge pull request #1645 from mo8it/prober-types-structs3 

Use u32 instead of i32
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liv 2023-08-29 10:20:36 +02:00 committed by GitHub
parent d79984dbda 9c0581bc0f
commit 2d1da2ab57
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1 changed files with 8 additions and 6 deletions
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14
exercises/structs/structs3.rs
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@ -13,13 +13,15 @@
struct Package { struct Package {
sender_country: String, sender_country: String,
recipient_country: String, recipient_country: String,
weight_in_grams: i32, weight_in_grams: u32,
} }
impl Package { impl Package {
fn new(sender_country: String, recipient_country: String, weight_in_grams: i32) -> Package { fn new(sender_country: String, recipient_country: String, weight_in_grams: u32) -> Package {
if weight_in_grams <= 0 { if weight_in_grams < 10 {
panic!("Can not ship a weightless package.") // This is not how you should handle errors in Rust,
// but we will learn about error handling later.
panic!("Can not ship a package with weight below 10 grams.")
} else { } else {
Package { Package {
sender_country, sender_country,
@ -33,7 +35,7 @@ impl Package {
// Something goes here... // Something goes here...
} }
fn get_fees(&self, cents_per_gram: i32) -> ??? { fn get_fees(&self, cents_per_gram: u32) -> ??? {
// Something goes here... // Something goes here...
} }
} }
@ -48,7 +50,7 @@ mod tests {
let sender_country = String::from("Spain"); let sender_country = String::from("Spain");
let recipient_country = String::from("Austria"); let recipient_country = String::from("Austria");
Package::new(sender_country, recipient_country, -2210); Package::new(sender_country, recipient_country, 5);
} }
#[test] #[test]