//! # SemVer

//! A simple Semantic Versioning struct to handle comparisons and ordering

// Uses
use std::fmt;

#[derive(Clone, Ord, PartialOrd, Eq, PartialEq, Debug)]
pub struct SemVer {
    pub major: i32,
    pub minor: i32,
    pub patch: i32,
}

impl fmt::Display for SemVer {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        write!(f, "{}.{}.{}", self.major, self.minor, self.patch)
    }
}

impl From<&str> for SemVer {
    fn from(s: &str) -> SemVer {
        let v: Vec<&str> = s.split('.').collect();

        SemVer {
            major: v[0].parse().unwrap(),
            minor: v[1].parse().unwrap(),
            patch: v[2].parse().unwrap(),
        }
    }
}