#[derive(Clone, Debug, PartialEq, Eq)]
pub struct Commit {
    sha: Sha,
    message: Message,
}
impl Commit {
    pub fn new(sha: &str, message: &str) -> Self {
        Self {
            sha: Sha::new(sha.to_string()),
            message: Message::new(message.to_string()),
        }
    }
    pub const fn sha(&self) -> &Sha {
        &self.sha
    }
    pub const fn message(&self) -> &Message {
        &self.message
    }
}
impl std::fmt::Display for Commit {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        write!(f, "{}", self.sha)
    }
}

#[derive(Clone, Debug, PartialEq, Eq)]
pub struct Sha(String);
impl Sha {
    pub const fn new(value: String) -> Self {
        Self(value)
    }
}
impl std::fmt::Display for Sha {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        write!(f, "{}", self.0)
    }
}

#[derive(Clone, Debug, PartialEq, Eq)]
pub struct Message(String);
impl Message {
    pub const fn new(value: String) -> Self {
        Self(value)
    }
}
impl std::fmt::Display for Message {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        write!(f, "{}", self.0)
    }
}