Net Enums

Networking enums

IpAddr Enum

use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};

fn main() {
    // IpAddr variants: V4 and V6
    let v4: IpAddr = IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1));
    let v6: IpAddr = IpAddr::V6(Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1));

    println!("=== IpAddr ===");
    println!("IPv4: {}", v4);
    println!("IPv6: {}", v6);

    // Check type
    println!("\n=== Type Checks ===");
    println!("v4.is_ipv4(): {}", v4.is_ipv4());
    println!("v4.is_ipv6(): {}", v4.is_ipv6());
    println!("v6.is_ipv4(): {}", v6.is_ipv4());
    println!("v6.is_ipv6(): {}", v6.is_ipv6());

    // From string
    let parsed: IpAddr = "192.168.1.1".parse().unwrap();
    println!("\nParsed: {}", parsed);

    let parsed_v6: IpAddr = "::1".parse().unwrap();
    println!("Parsed v6: {}", parsed_v6);

    // Match on variant
    fn describe(ip: IpAddr) {
        match ip {
            IpAddr::V4(addr) => println!("IPv4: {:?}", addr.octets()),
            IpAddr::V6(addr) => println!("IPv6: {:?}", addr.segments()),
        }
    }

    describe(v4);
    describe(v6);
}