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finish structs

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This commit is contained in:
NoneTheWisr 2022-01-28 18:34:25 +04:00
parent 3db3c856cd
commit c996e3027e
3 changed files with 16 additions and 21 deletions
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16
exercises/structs/structs1.rs
View File

@ -1,13 +1,12 @@
// structs1.rs // structs1.rs
// Address all the TODOs to make the tests pass! // Address all the TODOs to make the tests pass!
// I AM NOT DONE
struct ColorClassicStruct { struct ColorClassicStruct {
// TODO: Something goes here name: String,
hex: String,
} }
struct ColorTupleStruct(/* TODO: Something goes here */); struct ColorTupleStruct(String, String);
#[derive(Debug)] #[derive(Debug)]
struct UnitStruct; struct UnitStruct;
@ -18,8 +17,7 @@ mod tests {
#[test] #[test]
fn classic_c_structs() { fn classic_c_structs() {
// TODO: Instantiate a classic c struct! let green = ColorClassicStruct{ name: String::from("green"), hex: String::from("#00FF00") };
// let green =
assert_eq!(green.name, "green"); assert_eq!(green.name, "green");
assert_eq!(green.hex, "#00FF00"); assert_eq!(green.hex, "#00FF00");
@ -27,8 +25,7 @@ mod tests {
#[test] #[test]
fn tuple_structs() { fn tuple_structs() {
// TODO: Instantiate a tuple struct! let green = ColorTupleStruct(String::from("green"), String::from("#00FF00"));
// let green =
assert_eq!(green.0, "green"); assert_eq!(green.0, "green");
assert_eq!(green.1, "#00FF00"); assert_eq!(green.1, "#00FF00");
@ -36,8 +33,7 @@ mod tests {
#[test] #[test]
fn unit_structs() { fn unit_structs() {
// TODO: Instantiate a unit struct! let unit_struct = UnitStruct;
// let unit_struct =
let message = format!("{:?}s are fun!", unit_struct); let message = format!("{:?}s are fun!", unit_struct);
assert_eq!(message, "UnitStructs are fun!"); assert_eq!(message, "UnitStructs are fun!");

9
exercises/structs/structs2.rs
View File

@ -1,8 +1,6 @@
// structs2.rs // structs2.rs
// Address all the TODOs to make the tests pass! // Address all the TODOs to make the tests pass!
// I AM NOT DONE
#[derive(Debug)] #[derive(Debug)]
struct Order { struct Order {
name: String, name: String,
@ -33,8 +31,11 @@ mod tests {
#[test] #[test]
fn your_order() { fn your_order() {
let order_template = create_order_template(); let order_template = create_order_template();
// TODO: Create your own order using the update syntax and template above! let your_order = Order {
// let your_order = name: String::from("Hacker in Rust"),
count: 1,
..order_template
};
assert_eq!(your_order.name, "Hacker in Rust"); assert_eq!(your_order.name, "Hacker in Rust");
assert_eq!(your_order.year, order_template.year); assert_eq!(your_order.year, order_template.year);
assert_eq!(your_order.made_by_phone, order_template.made_by_phone); assert_eq!(your_order.made_by_phone, order_template.made_by_phone);

12
exercises/structs/structs3.rs
View File

@ -4,8 +4,6 @@
// Make the code compile and the tests pass! // Make the code compile and the tests pass!
// If you have issues execute `rustlings hint structs3` // If you have issues execute `rustlings hint structs3`
// I AM NOT DONE
#[derive(Debug)] #[derive(Debug)]
struct Package { struct Package {
sender_country: String, sender_country: String,
@ -16,7 +14,7 @@ struct Package {
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: i32) -> Package {
if weight_in_grams <= 0 { if weight_in_grams <= 0 {
// Something goes here... panic!("Attempted to construct a package with negative weight");
} else { } else {
Package { Package {
sender_country, sender_country,
@ -26,12 +24,12 @@ impl Package {
} }
} }
fn is_international(&self) -> ??? { fn is_international(&self) -> bool {
// Something goes here... self.sender_country != self.recipient_country
} }
fn get_fees(&self, cents_per_gram: i32) -> ??? { fn get_fees(&self, cents_per_gram: i32) -> i32 {
// Something goes here... self.weight_in_grams * cents_per_gram
} }
} }