/// How to interpret a revision specification, or `revspec`.
#[derive(Debug, Copy, Clone, PartialOrd, PartialEq, Ord, Eq, Hash)]
#[cfg_attr(feature = "serde1", derive(serde::Serialize, serde::Deserialize))]
pub enum Kind {
    /// A single revision specification, pointing at one reference.
    Single,
    /// Two revision specifications `a` and `b` where we want all commits from `b` that are not also in `a`.
    Range,
    /// Everything in `a` and `b` but no commit from any of their merge bases.
    MergeBase,
}

impl Default for Kind {
    fn default() -> Self {
        Kind::Single
    }
}

///
pub mod parse;
pub use parse::function::parse;