The Ultimate Guide to Rust Programming/

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Salaries

Salaries

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Let’s say that teachers make $50, scientists make $70, and students don’t make any money. We can write a method to help with that:

Rust 1.40.0
enum Job {
    Teacher,
    Scientist,
    Student,
}
impl Job {
    fn salary(&self) -> Option<u32> {
        match self {
            Job::Teacher => Some(50),
            Job::Scientist => Some(70),
            Job::Student => None,
        }
    }
}

We want to find out how much money two people will make together. But if either of ...