//! HTTP Versions enum
//!
//! Instead of relying on typo-prone Strings, use expected HTTP versions as
//! the `HttpVersion` enum.
use std::fmt;
use self::HttpVersion::{Http09, Http10, Http11, Http20};
/// Represents a version of the HTTP spec.
#[derive(PartialEq, PartialOrd, Copy, Clone, Eq, Ord, Hash, Debug)]
pub enum HttpVersion {
/// `HTTP/0.9`
Http09,
/// `HTTP/1.0`
Http10,
/// `HTTP/1.1`
Http11,
/// `HTTP/2.0`
Http20
}
impl fmt::Display for HttpVersion {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt.write_str(match *self {
Http09 => "HTTP/0.9",
Http10 => "HTTP/1.0",
Http11 => "HTTP/1.1",
Http20 => "HTTP/2.0",
})
}
}