require valid SocketAddr

Author: yggverse

src/argument.rs

@@ -1,12 +1,15 @@
 use clap::Parser;
-use std::path::PathBuf;
+use std::{
+    net::{Ipv4Addr, SocketAddr, SocketAddrV4},
+    path::PathBuf,
+};
 
 #[derive(Parser, Debug)]
 #[command(version, about, long_about = None)]
 pub struct Argument {
     /// Bind server `host:port` to listen incoming connections on it
-    #[arg(short, long, default_value_t = std::net::SocketAddrV4::new(std::net::Ipv4Addr::LOCALHOST, 1965).to_string())]
-    pub bind: String,
+    #[arg(short, long, default_value_t = SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::LOCALHOST, 1965)))]
+    pub bind: SocketAddr,
 
     /// Filepath to server identity in PKCS (PFX) format
     #[arg(short, long)]