44 lines
694 B
Rust
44 lines
694 B
Rust
// Make me compile! Scroll down for hints :)
|
|
|
|
// This store is having a sale where if the price is an even number, you get
|
|
// 10 (money unit) off, but if it's an odd number, it's 3 (money unit) less.
|
|
|
|
fn main() {
|
|
let original_price = 51;
|
|
println!("Your sale price is {}", sale_price(original_price));
|
|
}
|
|
|
|
fn sale_price(price: i32) -> i32 {
|
|
if is_even(price) {
|
|
price - 10
|
|
} else {
|
|
price - 3
|
|
}
|
|
}
|
|
|
|
fn is_even(num: i32) -> bool {
|
|
num % 2 == 0
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// The error message points to line 10 and says it expects a type after the
|
|
// `->`. This is where the function's return type should be-- take a look at
|
|
// the `is_even` function for an example!
|