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✨ 🦀 Structs Solved

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This commit is contained in:
asif256000 2022-12-25 02:07:55 -05:00
parent 658c57adac
commit c67ee75a9d
3 changed files with 20 additions and 14 deletions
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18
exercises/structs/structs1.rs
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@ -2,13 +2,13 @@
// Address all the TODOs to make the tests pass! // Address all the TODOs to make the tests pass!
// Execute `rustlings hint structs1` or use the `hint` watch subcommand for a hint. // Execute `rustlings hint structs1` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
struct ColorClassicStruct { struct ColorClassicStruct {
// TODO: Something goes here red: i32,
green: i32,
blue: i32,
} }
struct ColorTupleStruct(/* TODO: Something goes here */); struct ColorTupleStruct(i32, i32, i32);
#[derive(Debug)] #[derive(Debug)]
struct UnitLikeStruct; struct UnitLikeStruct;
@ -20,7 +20,11 @@ mod tests {
#[test] #[test]
fn classic_c_structs() { fn classic_c_structs() {
// TODO: Instantiate a classic c struct! // TODO: Instantiate a classic c struct!
// let green = let green = ColorClassicStruct {
red: 0,
green: 255,
blue: 0,
};
assert_eq!(green.red, 0); assert_eq!(green.red, 0);
assert_eq!(green.green, 255); assert_eq!(green.green, 255);
@ -30,7 +34,7 @@ mod tests {
#[test] #[test]
fn tuple_structs() { fn tuple_structs() {
// TODO: Instantiate a tuple struct! // TODO: Instantiate a tuple struct!
// let green = let green = ColorTupleStruct(0, 255, 0);
assert_eq!(green.0, 0); assert_eq!(green.0, 0);
assert_eq!(green.1, 255); assert_eq!(green.1, 255);
@ -40,7 +44,7 @@ mod tests {
#[test] #[test]
fn unit_structs() { fn unit_structs() {
// TODO: Instantiate a unit-like struct! // TODO: Instantiate a unit-like struct!
// let unit_like_struct = let unit_like_struct = UnitLikeStruct;
let message = format!("{:?}s are fun!", unit_like_struct); let message = format!("{:?}s are fun!", unit_like_struct);
assert_eq!(message, "UnitLikeStructs are fun!"); assert_eq!(message, "UnitLikeStructs are fun!");

8
exercises/structs/structs2.rs
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@ -2,8 +2,6 @@
// Address all the TODOs to make the tests pass! // Address all the TODOs to make the tests pass!
// Execute `rustlings hint structs2` or use the `hint` watch subcommand for a hint. // Execute `rustlings hint structs2` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
#[derive(Debug)] #[derive(Debug)]
struct Order { struct Order {
name: String, name: String,
@ -35,7 +33,11 @@ mod tests {
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! // TODO: Create your own order using the update syntax and template above!
// let your_order = let your_order = 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);

8
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!
// Execute `rustlings hint structs3` or use the `hint` watch subcommand for a hint. // Execute `rustlings hint structs3` or use the `hint` watch subcommand for a hint.
// I AM NOT DONE
#[derive(Debug)] #[derive(Debug)]
struct Package { struct Package {
sender_country: String, sender_country: String,
@ -26,12 +24,14 @@ impl Package {
} }
} }
fn is_international(&self) -> ??? { fn is_international(&self) -> bool {
// Something goes here... // 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... // Something goes here...
self.weight_in_grams * cents_per_gram
} }
} }