Replace connect_{tcp,unix} with a single function

Since config::Address now exists, there's no real need to be generic and
accept anything TcpStream::connect and UnixStream::connect accept and so
a single function taking config::Address can simplify both call sites.

src/ext.rs

@@ -4,7 +4,7 @@ use anyhow::{bail, Context, Result};
 use serde::de::{DeserializeOwned, IgnoredAny};
 use tokio::io::BufReader;
 
-use crate::config::{Address, Config};
+use crate::config::Config;
 use crate::lsp::ext::{self, LspMuxOptions, StatusResponse};
 use crate::lsp::jsonrpc::{Message, Request, RequestId, Version};
 use crate::lsp::transport::{LspReader, LspWriter};
@@ -15,13 +15,10 @@ pub async fn ext_request<T>(config: &Config, method: ext::Request) -> Result<T>
 where
     T: DeserializeOwned,
 {
-    let (reader, writer) = match config.connect {
-        Address::Tcp(ip_addr, port) => Stream::connect_tcp((ip_addr, port)).await,
-        #[cfg(target_family = "unix")]
-        Address::Unix(ref path) => Stream::connect_unix(path).await,
-    }
-    .context("connect")?
-    .into_split();
+    let (reader, writer) = Stream::connect(&config.connect)
+        .await
+        .context("connect")?
+        .into_split();
     let mut writer = LspWriter::new(writer, "lspmux");
     let mut reader = LspReader::new(BufReader::new(reader), "lspmux");
 

src/proxy.rs

@@ -4,7 +4,7 @@ use std::env;
 use anyhow::{bail, Context as _, Result};
 use tokio::io::{self, BufStream};
 
-use crate::config::{Address, Config};
+use crate::config::Config;
 use crate::lsp::ext::{LspMuxOptions, Request};
 use crate::lsp::jsonrpc::Message;
 use crate::lsp::transport::{LspReader, LspWriter};
@@ -23,12 +23,7 @@ pub async fn run(config: &Config, server: String, args: Vec<String>) -> Result<(
         }
     }
 
-    let mut stream = match config.connect {
-        Address::Tcp(ip_addr, port) => Stream::connect_tcp((ip_addr, port)).await,
-        #[cfg(target_family = "unix")]
-        Address::Unix(ref path) => Stream::connect_unix(path).await,
-    }
-    .context("connect")?;
+    let mut stream = Stream::connect(&config.connect).await.context("connect")?;
     let mut stdio = BufStream::new(io::join(io::stdin(), io::stdout()));
 
     // Wait for the client to send `initialize` request.

src/socketwrapper.rs

@@ -8,10 +8,12 @@ use std::{io, net};
 
 use pin_project_lite::pin_project;
 use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};
-use tokio::net::{tcp, TcpListener, TcpStream, ToSocketAddrs};
+use tokio::net::{tcp, TcpListener, TcpStream};
 #[cfg(target_family = "unix")]
 use tokio::net::{unix, UnixListener, UnixStream};
 
+use crate::config::Address;
+
 pub enum SocketAddr {
     Ip(net::SocketAddr),
     #[cfg(target_family = "unix")]
@@ -137,17 +139,16 @@ pin_project! {
 }
 
 impl Stream {
-    pub async fn connect_tcp<A: ToSocketAddrs>(addr: A) -> io::Result<Stream> {
-        Ok(Stream::Tcp {
-            tcp: TcpStream::connect(addr).await?,
-        })
-    }
-
-    #[cfg(target_family = "unix")]
-    pub async fn connect_unix<P: AsRef<Path>>(addr: P) -> io::Result<Stream> {
-        Ok(Stream::Unix {
-            unix: UnixStream::connect(addr).await?,
-        })
+    pub async fn connect(addr: &Address) -> io::Result<Stream> {
+        match addr {
+            Address::Tcp(ip_addr, port) => Ok(Stream::Tcp {
+                tcp: TcpStream::connect((*ip_addr, *port)).await?,
+            }),
+            #[cfg(target_family = "unix")]
+            Address::Unix(path) => Ok(Stream::Unix {
+                unix: UnixStream::connect(path).await?,
+            }),
+        }
     }
 
     pub fn into_split(self) -> (OwnedReadHalf, OwnedWriteHalf) {