structs done

This commit is contained in:
David E. Perez Negron R. 2023-11-02 01:51:11 -06:00
parent b01f35fed6
commit 6fad289cb4
3 changed files with 21 additions and 13 deletions

View File

@ -5,13 +5,14 @@
// Execute `rustlings hint structs1` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
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)]
struct UnitLikeStruct;
@ -23,7 +24,10 @@ mod tests {
#[test]
fn classic_c_structs() {
// 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.green, 255);
@ -33,7 +37,7 @@ mod tests {
#[test]
fn tuple_structs() {
// TODO: Instantiate a tuple struct!
// let green =
let green = ColorTupleStruct(0, 255, 0);
assert_eq!(green.0, 0);
assert_eq!(green.1, 255);
@ -43,7 +47,7 @@ mod tests {
#[test]
fn unit_structs() {
// TODO: Instantiate a unit-like struct!
// let unit_like_struct =
let unit_like_struct = UnitLikeStruct;
let message = format!("{:?}s are fun!", unit_like_struct);
assert_eq!(message, "UnitLikeStructs are fun!");

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@ -5,7 +5,6 @@
// Execute `rustlings hint structs2` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
#[derive(Debug)]
struct Order {
@ -38,7 +37,11 @@ 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 {
name: String::from("Hacker in Rust"),
count: 1,
..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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@ -7,7 +7,6 @@
// Execute `rustlings hint structs3` or use the `hint` watch subcommand for a
// hint.
// I AM NOT DONE
#[derive(Debug)]
struct Package {
@ -31,12 +30,14 @@ impl Package {
}
}
fn is_international(&self) -> ??? {
// Something goes here...
fn is_international(&self) -> bool {
if self.sender_country != self.recipient_country{
true
} else { false }
}
fn get_fees(&self, cents_per_gram: u32) -> ??? {
// Something goes here...
fn get_fees(&self, cents_per_gram: u32) -> u32 {
self.weight_in_grams * cents_per_gram
}
}