Struct exercises complete

This commit is contained in:
Emre AYDIN 2021-01-05 16:52:52 +03:00
parent 01f5455ea0
commit 61c3989ffb
4 changed files with 21 additions and 17 deletions

View file

@ -2,8 +2,6 @@
// Destructure the `cat` tuple so that the println will work.
// Execute `rustlings hint primitive_types5` for hints!
// I AM NOT DONE
fn main() {
let cat = ("Furry McFurson", 3.5);
let (name, age) = cat;

View file

@ -1,13 +1,13 @@
// structs1.rs
// Address all the TODOs to make the tests pass!
// I AM NOT DONE
struct ColorClassicStruct {
// TODO: Something goes here
name: String,
hex: String,
}
struct ColorTupleStruct(/* TODO: Something goes here */);
struct ColorTupleStruct(String, String);
#[derive(Debug)]
struct UnitStruct;
@ -19,7 +19,10 @@ mod tests {
#[test]
fn classic_c_structs() {
// TODO: Instantiate a classic c struct!
// let green =
let green = ColorClassicStruct {
name: String::from("green"),
hex: String::from("#00FF00"),
};
assert_eq!(green.name, "green");
assert_eq!(green.hex, "#00FF00");
@ -28,7 +31,7 @@ mod tests {
#[test]
fn tuple_structs() {
// TODO: Instantiate a tuple struct!
// let green =
let green = ColorTupleStruct(String::from("green"), String::from("#00FF00"));
assert_eq!(green.0, "green");
assert_eq!(green.1, "#00FF00");
@ -37,7 +40,7 @@ mod tests {
#[test]
fn unit_structs() {
// TODO: Instantiate a unit struct!
// let unit_struct =
let unit_struct = UnitStruct;
let message = format!("{:?}s are fun!", unit_struct);
assert_eq!(message, "UnitStructs are fun!");

View file

@ -1,8 +1,6 @@
// structs2.rs
// Address all the TODOs to make the tests pass!
// I AM NOT DONE
#[derive(Debug)]
struct Order {
name: String,
@ -34,7 +32,11 @@ mod tests {
fn your_order() {
let order_template = create_order_template();
// TODO: Create your own order using the update syntax and template above!
// let your_order =
let your_order = Order {
count: 1,
name: String::from("Hacker in Rust"),
..order_template
};
assert_eq!(your_order.name, "Hacker in Rust");
assert_eq!(your_order.year, order_template.year);
assert_eq!(your_order.made_by_phone, order_template.made_by_phone);

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@ -3,8 +3,6 @@
// exercise we have defined the Package struct and we want to test some logic attached to it,
// make the code compile and the tests pass! If you have issues execute `rustlings hint structs3`
// I AM NOT DONE
#[derive(Debug)]
struct Package {
sender_country: String,
@ -16,6 +14,7 @@ impl Package {
fn new(sender_country: String, recipient_country: String, weight_in_grams: i32) -> Package {
if weight_in_grams <= 0 {
// Something goes here...
panic!("Weight can't be less than 0")
} else {
return Package {
sender_country,
@ -25,12 +24,14 @@ 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) -> ??? {
// Something goes here...
fn get_fees(&self, cents_per_gram: i32) -> i32 {
// Something goes here...
self.weight_in_grams * cents_per_gram
}
}
@ -62,7 +63,7 @@ mod tests {
let sender_country = String::from("Spain");
let recipient_country = String::from("Spain");
let cents_per_gram = ???;
let cents_per_gram = 3;
let package = Package::new(sender_country, recipient_country, 1500);