27 lines
713 B
Rust
27 lines
713 B
Rust
// functions4.rs
|
|
//
|
|
// This store is having a sale where if the price is an even number, you get 10
|
|
// Rustbucks off, but if it's an odd number, it's 3 Rustbucks off. (Don't worry
|
|
// about the function bodies themselves, we're only interested in the signatures
|
|
// for now. If anything, this is a good way to peek ahead to future exercises!)
|
|
//
|
|
// Execute `rustlings hint functions4` or use the `hint` watch subcommand for a
|
|
// hint.
|
|
|
|
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
|
|
}
|