26 lines
708 B
Rust
26 lines
708 B
Rust
// functions4.rs
|
|
// Execute `rustlings hint functions4` or use the `hint` watch subcommand for a hint.
|
|
|
|
// 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!)
|
|
|
|
fn main() {
|
|
let original_price = 51;
|
|
println!("Your sale price is {}", sale_price(original_price));
|
|
}
|
|
|
|
fn sale_price(price: u32) -> u32 {
|
|
if is_even(price) {
|
|
price - 10
|
|
} else {
|
|
price - 3
|
|
}
|
|
}
|
|
|
|
fn is_even(num: u32) -> bool {
|
|
num % 2 == 0
|
|
}
|