mirror of
https://github.com/rust-lang/rustlings.git
synced 2026-01-07 19:29:18 +00:00
Zum Commit vorgemerkte Änderungen: geändert: exercises/00_intro/intro1.rs geändert: exercises/00_intro/intro2.rs geändert: exercises/01_variables/variables1.rs geändert: exercises/01_variables/variables2.rs geändert: exercises/01_variables/variables3.rs geändert: exercises/01_variables/variables4.rs geändert: exercises/01_variables/variables5.rs geändert: exercises/01_variables/variables6.rs geändert: exercises/02_functions/functions1.rs geändert: exercises/02_functions/functions2.rs geändert: exercises/02_functions/functions3.rs geändert: exercises/02_functions/functions4.rs geändert: exercises/02_functions/functions5.rs geändert: exercises/03_if/if1.rs geändert: exercises/03_if/if2.rs geändert: exercises/03_if/if3.rs geändert: exercises/04_primitive_types/primitive_types1.rs geändert: exercises/04_primitive_types/primitive_types2.rs geändert: exercises/04_primitive_types/primitive_types3.rs geändert: exercises/04_primitive_types/primitive_types4.rs geändert: exercises/04_primitive_types/primitive_types5.rs geändert: exercises/04_primitive_types/primitive_types6.rs geändert: exercises/05_vecs/vecs1.rs geändert: exercises/05_vecs/vecs2.rs geändert: exercises/06_move_semantics/move_semantics1.rs geändert: exercises/06_move_semantics/move_semantics2.rs geändert: exercises/06_move_semantics/move_semantics3.rs geändert: exercises/06_move_semantics/move_semantics4.rs geändert: exercises/06_move_semantics/move_semantics5.rs geändert: exercises/06_move_semantics/move_semantics6.rs geändert: exercises/07_structs/structs1.rs geändert: exercises/07_structs/structs2.rs geändert: exercises/quiz1.rs neue Datei: rustlings
38 lines
935 B
Rust
38 lines
935 B
Rust
// quiz1.rs
|
|
//
|
|
// This is a quiz for the following sections:
|
|
// - Variables
|
|
// - Functions
|
|
// - If
|
|
//
|
|
// Mary is buying apples. The price of an apple is calculated as follows:
|
|
// - An apple costs 2 rustbucks.
|
|
// - If Mary buys more than 40 apples, each apple only costs 1 rustbuck!
|
|
// Write a function that calculates the price of an order of apples given the
|
|
// quantity bought.
|
|
//
|
|
// No hints this time ;)
|
|
|
|
// Put your function here!
|
|
fn calculate_price_of_apples(apples: u8) -> u8 {
|
|
if apples > 40 {
|
|
return apples;
|
|
} else {
|
|
apples * 2
|
|
}
|
|
}
|
|
|
|
// Don't modify this function!
|
|
#[test]
|
|
fn verify_test() {
|
|
let price1 = calculate_price_of_apples(35);
|
|
let price2 = calculate_price_of_apples(40);
|
|
let price3 = calculate_price_of_apples(41);
|
|
let price4 = calculate_price_of_apples(65);
|
|
|
|
assert_eq!(70, price1);
|
|
assert_eq!(80, price2);
|
|
assert_eq!(41, price3);
|
|
assert_eq!(65, price4);
|
|
}
|