Rust연습_if절_else if _ else

 

fn main() {
    let n = 20;

    if n < 30 {
        println!("The number is less than 30!");
    }
}

 

 

결과

 

 

 

 

 

fn main() {
    let n = 45;

    if n < 30 {
        println!("The number is less than 30!");
    }
}

결과

 

일치 하는 것이 없기 때문에 아무것도 없이 출력됨.!!!

 

 

 

 

 

fn main() {
    let n = 45;

    if n == 45 {
        println!("Rust");
    }
}

 

결과

 

 

 

 

 

fn main() {
    let n = 56;

    if n == 45 {
        println!("Rust");
    } else {
        println!("It was not 45!");
    }
}

결과

 

 

 

 

 

 

fn main() {
    let n = 56;

    if n == 45 {
        println!("Rust");
    } else if n > 50 {
        println!("It is greater than 50!");
    } else {
        println!("It was not 45 and it was less than 50");
    }
}

결과

 

 

 

 

fn main() {
    let n = 20;

    if n == 45 {
        println!("Rust");
    } else if n > 50 {
        println!("It is greater than 50!");
    } else {
        println!("It was not 45 and it was less than 50");
    }
}

 

결과

 

 

 

 

 

 

fn main() {
    let n = 20;

    if (n == 45) {
        println!("Rust");
    } else if n > 50 {
        println!("It is greater than 50!");
    } else {
        println!("It was not 45 and it was less than 50");
    }
}

결과

 

 

 

 

 

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