#[derive(Debug)]
pub struct ContentList {
    pub index: usize
}

impl ContentList {
    pub fn new() -> Self {
        ContentList {
            index: 0
        }
    }

    // Go to next item in list
    pub fn next(&mut self) {
        self.index += 1;
    }

    /// Go to previous item in list
    pub fn prev(&mut self) {
        if self.index != 0 {
            self.index -= 1;
        }
    }
}