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#[macro_export]
macro_rules! cmp3 {
    ($a:expr, >, $b:expr, >, $c:expr) => {{
        let b = $b;
        $a > b && b > $c
    }};
    ($a:expr, >=, $b:expr, >, $c:expr) => {{
        let b = $b;
        $a >= b && b > $c
    }};
    ($a:expr, >, $b:expr, >=, $c:expr) => {{
        let b = $b;
        $a > b && b >= $c
    }};
    ($a:expr, >=, $b:expr, >=, $c:expr) => {{
        let b = $b;
        $a >= b && b >= $c
    }};
    ($a:expr, <, $b:expr, <, $c:expr) => {{
        let b = $b;
        $a < b && b < $c
    }};
    ($a:expr, <=, $b:expr, <, $c:expr) => {{
        let b = $b;
        $a <= b && b < $c
    }};
    ($a:expr, <, $b:expr, <=, $c:expr) => {{
        let b = $b;
        $a < b && b <= $c
    }};
    ($a:expr, <=, $b:expr, <=, $c:expr) => {{
        let b = $b;
        $a <= b && b <= $c
    }};
    ($a:expr, <, $b:expr, >, $c:expr) => {{
        let b = $b;
        $a < b && b > $c
    }};
    ($a:expr, >, $b:expr, <, $c:expr) => {{
        let b = $b;
        $a > b && b < $c
    }};
    ($a:expr, >=, $b:expr, <=, $c:expr) => {{
        let b = $b;
        $a >= b && b <= $c
    }};
    ($a:expr, <=, $b:expr, >, $c:expr) => {{
        let b = $b;
        $a <= b && b > $c
    }};
    ($a:expr, >, $b:expr, <=, $c:expr) => {{
        let b = $b;
        $a > b && b <= $c
    }};
    ($a:expr, >=, $b:expr, <, $c:expr) => {{
        let b = $b;
        $a <= b && b < $c
    }};
    ($a:expr, <, $b:expr, >=, $c:expr) => {{
        let b = $b;
        $a < b && b <= $c
    }};
    ($a:expr, >=, $b:expr, >=, $c:expr) => {{
        let b = $b;
        $a <= b && b <= $c
    }};
    ($a:expr, ==, $b:expr, ==, $c:expr) => {{
        let b = $b;
        $a == b && b == $c
    }};
    ($a:expr, !=, $b:expr, !=, $c:expr) => {{
        let b = $b;
        $a != b && b != $c
    }};
    ($a:expr, !=, $b:expr, ==, $c:expr) => {{
        let b = $b;
        $a != b && b == $c
    }};
    ($a:expr, ==, $b:expr, !=, $c:expr) => {{
        let b = $b;
        $a == b && b != $c
    }};
}

#[cfg(test)]
mod tests {
    #[test]
    fn it_works() {
        assert!(cmp3!(3, >, 2, >, 1));
        assert!(cmp3!(1, <, 2, <, 3));
        assert!(cmp3!(3, >, 2, <, 4));
        assert!(cmp3!(4, >, 2, <, 3));
        assert!(cmp3!(3, >=, 3, >, 2));
        assert!(cmp3!(3, >, 2, >=, 2));
        assert!(cmp3!(3, >=, 3, <=, 3));
        assert!(cmp3!(2, ==, 2, ==, 2));
        assert!(cmp3!(1, !=, 2, ==, 2));
    }
}