From dfd4b77d6e99856e4c6b45edc1626e99867cbe14 Mon Sep 17 00:00:00 2001
From: Melody Horn <melody@boringcactus.com>
Date: Sat, 27 Mar 2021 10:00:04 -0600
Subject: actually handle errors

---
 src/main.rs | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 21b4d82..28de762 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -25,7 +25,7 @@ struct Args {
 }
 
 #[tokio::main]
-async fn main() -> Result<(), Error> {
+async fn main() -> Result<(), Vec<Error>> {
     let (args, urls) = {
         let mut args: Args = Args::from_args();
         let mut urls = mem::take(&mut args.urls);
@@ -48,7 +48,13 @@ async fn main() -> Result<(), Error> {
         .into_iter()
         .map(|url| download(url, &args));
     let downloads = futures::future::join_all(download_handles);
-    let _downloads = downloads.await;
-
-    Ok(())
+    let download_errors = downloads.await
+        .into_iter()
+        .filter_map(|x| x.err())
+        .collect::<Vec<Error>>();
+    if download_errors.len() > 0 {
+        Err(download_errors)
+    } else {
+        Ok(())
+    }
 }
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