main.rs: Handle `main` errors

Print all errors to STDERR.

1 files changed, 7 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index 09dc892..f126839 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -31,5 +31,11 @@ fn open_stream() -> io::Result<()> {
 }
 
 fn main() {
-    open_stream();
+    match open_stream() {
+        Ok(_) => {},
+        Err(e) => {
+            writeln!(io::stderr(), "{}", e)
+                .expect("Failed printing to stderr");
+        },
+    }
 }