pub fn expected_minutes_in_oven() -> i32 {
    40
}

pub fn remaining_minutes_in_oven(actual_minutes_in_oven: i32) -> i32 {
    40 - actual_minutes_in_oven
}

pub fn preparation_time_in_minutes(number_of_layers: i32) -> i32 {
    number_of_layers * 2
}

pub fn elapsed_time_in_minutes(number_of_layers: i32, actual_minutes_in_oven: i32) -> i32 {
    preparation_time_in_minutes(number_of_layers) + actual_minutes_in_oven
}

Add rust code for lucians-luscious-lasagna
Add rust code for lucians-luscious-lasagna

It passed all tests
