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fix : Use of integer for prices, therefore also for weight

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rename confusing "from" and "to" to sender_country and recipient_country as suggested
This commit is contained in:
Sebastien Caunes 2020-06-11 11:44:47 -05:00
parent f47d3f422d
commit 9ca08b8f2b
1 changed files with 19 additions and 19 deletions
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38
exercises/structs/structs3.rs
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@ -7,17 +7,17 @@
#[derive(Debug)]
struct Package {
from: String,
to: String,
weight: f32
sender_country: String,
recipient_country: String,
weight_in_grams: i32,
}
impl Package {
fn new(from: String, to: String, weight: f32) -> Package {
if weight <= 0.0 {
fn new(sender_country: String, recipient_country: String, weight_in_grams: i32) -> Package {
if weight_in_grams <= 0 {
// Something goes here...
} else {
return Package {from, to, weight};
return Package {sender_country, recipient_country, weight_in_grams};
}
}
@ -25,8 +25,8 @@ impl Package {
// Something goes here...
}
fn get_fees(&self, cost_per_kg: f32) -> ??? {
// Something goes here...
fn get_fees(&self, cents_per_kg: i32) -> ??? {
// Something goes here... (beware of grams to kg conversion)
}
}
@ -37,31 +37,31 @@ mod tests {
#[test]
#[should_panic]
fn fail_creating_weightless_package() {
let country_from = String::from("Spain");
let country_to = String::from("Austria");
let sender_country = String::from("Spain");
let recipient_country = String::from("Austria");
Package::new(country_from, country_to, -2.21);
Package::new(sender_country, recipient_country, -2210);
}
#[test]
fn create_international_package() {
let country_from = String::from("Spain");
let country_to = String::from("Russia");
let sender_country = String::from("Spain");
let recipient_country = String::from("Russia");
let package = Package::new(country_from, country_to, 1.2);
let package = Package::new(sender_country, recipient_country, 1200);
assert!(package.is_international());
}
#[test]
fn calculate_transport_fees() {
let country_from = String::from("Spain");
let country_to = String::from("Spain");
let sender_country = String::from("Spain");
let recipient_country = String::from("Spain");
let country_fee = ???;
let cents_per_kg = ???;
let package = Package::new(country_from, country_to, 22.0);
let package = Package::new(sender_country, recipient_country, 1500);
assert_eq!(package.get_fees(country_fee), 176.0);
assert_eq!(package.get_fees(cents_per_kg), 4500);
}
}