Shared via Rust Playground

playground.rs

fn to_celcius(value: f64) -> f64 {
    (value - 32.0) * (5.0 / 9.0)
}

fn to_fahrenheit(value: f64) -> f64 {
    (value * (9.0 / 5.0)) + 32.0
}


fn main() {
    println!("{:.1}°C", to_celcius(40.0));
    println!("{:.1}°F", to_fahrenheit(40.0));

    println!("{:.1}°C", to_celcius(-40.0));
    println!("{:.1}°F", to_fahrenheit(-40.0));

    println!("Answer: {:.1}°F", to_fahrenheit(45.0));
}