use crate::*;

impl Outcome {
    pub fn keep_lowest(self, dice_num: u16) -> Result<Outcome, FailedTo> {
        if dice_num == 0 {
            return Err(FailedTo::ProcessInput);
        }
        match self {
            Outcome::Scalar(value) => Ok(Outcome::List(vec![value])),
            Outcome::List(mut values) => {
                values.sort();
                Ok(Outcome::List(
                    values.into_iter().take(dice_num as usize).collect(),
                ))
            }
        }
    }
}

// #[cfg(test)]
// mod unit_tests { use super::*; }