From a22ca95d3ddea595b69ddcdaa7cfa8dcd18a04a5 Mon Sep 17 00:00:00 2001
From: Tangent Wantwight <tangent128@gmail.com>
Date: Mon, 11 May 2020 08:59:23 -0400
Subject: [PATCH] Clarify error when unable to parse listen address

---
 src/main.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 09650b1..ae9277f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,4 @@
-use anyhow::Result;
+use anyhow::{Context, Result};
 use futures::stream::{FuturesUnordered, StreamExt};
 use std::net::ToSocketAddrs;
 use structopt::StructOpt;
@@ -25,7 +25,10 @@ async fn main() -> Result<()> {
         })
     });
 
-    let addrs = args.listen.to_socket_addrs()?;
+    let addrs = args
+        .listen
+        .to_socket_addrs()
+        .context("Couldn't parse the listen address")?;
     let servers = FuturesUnordered::new();
     for addr in addrs {
         let (_, server) = serve(socket_handler).try_bind_ephemeral(addr)?;