22 lines
604 B
Rust
22 lines
604 B
Rust
pub fn main() {
|
|
println!("1. mtokm");
|
|
println!("2. kmtom");
|
|
let mut input = String::new();
|
|
std::io::stdin().read_line(&mut input).unwrap();
|
|
match input.trim() {
|
|
"1." | "1" | "mtokm" => read_and_convert(|u| u * 1.609344),
|
|
"2." | "2" | "kmtom" => read_and_convert(|u| u / 1.609344),
|
|
_ => {}
|
|
}
|
|
}
|
|
|
|
fn read_and_convert<F>(tom: F)
|
|
where
|
|
F: Fn(f64) -> f64,
|
|
{
|
|
println!("zadaj udaj");
|
|
let mut input = String::new();
|
|
std::io::stdin().read_line(&mut input).unwrap();
|
|
let unit: f64 = input.trim().parse().unwrap();
|
|
println!("{}", tom(unit));
|
|
}
|