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use std::{convert::Infallible, str::FromStr};
#[derive(Debug, Clone, Copy)]
#[non_exhaustive]
pub enum Version {
V1,
V2,
}
impl Default for Version {
fn default() -> Self {
Self::V1
}
}
impl FromStr for Version {
type Err = Infallible;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s.chars().next() {
Some('2') => Ok(Self::V2),
_ => Ok(Self::V1),
}
}
}
impl From<&str> for Version {
fn from(s: &str) -> Self {
s.parse().unwrap()
}
}