use std::fmt;

#[derive(Clone, Copy, Debug, PartialEq)]
pub enum Version {
	Gif87a,
	Gif89a,
}

impl From<&Version> for &[u8] {
	fn from(version: &Version) -> Self {
		match version {
			Version::Gif87a => b"GIF87a",
			Version::Gif89a => b"GIF89a",
		}
	}
}

impl fmt::Display for Version {
	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
		match self {
			Version::Gif87a => write!(f, "GIF87a"),
			Version::Gif89a => write!(f, "GIF89a"),
		}
	}
}