http_constant/http_version/
const.rs

1/// HTTP version 0.9.
2pub const HTTP_VERSION_0_9: &str = "HTTP/0.9";
3/// HTTP version 1.0.
4pub const HTTP_VERSION_1_0: &str = "HTTP/1.0";
5/// HTTP version 1.1.
6pub const HTTP_VERSION_1_1: &str = "HTTP/1.1";
7/// HTTP version 2.
8pub const HTTP_VERSION_2: &str = "HTTP/2";
9/// HTTP version 3.
10pub const HTTP_VERSION_3: &str = "HTTP/3";