From aeeb18931da3c8444fc85db4da43e72a0ad2a46a Mon Sep 17 00:00:00 2001
From: Chris Boesch <chrboesch@noreply.codeberg.org>
Date: Mon, 6 Apr 2026 18:50:57 +0200
Subject: improvements for async-io

---
 exercises/090_async6.zig | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'exercises')

diff --git a/exercises/090_async6.zig b/exercises/090_async6.zig
index eab03c9..16fb75f 100644
--- a/exercises/090_async6.zig
+++ b/exercises/090_async6.zig
@@ -23,6 +23,11 @@
 //     }
 //     sel.cancelDiscard();  // cancel remaining, discard results
 //
+// As with all async primitives: tasks spawned in a Select MUST
+// be cleaned up. Use sel.cancel() to get remaining results one
+// by one (for resource cleanup), or sel.cancelDiscard() if you
+// don't need them.
+//
 // The buffer must be large enough for all tasks that might
 // complete before you call cancelDiscard().
 //
@@ -47,7 +52,7 @@ pub fn main(init: std.process.Init) !void {
 
     // Wait for the first finisher.
     // What Select method returns the first completed result?
-    const winner = ???;
+    const winner = try sel.???();
 
     switch (winner) {
         .hare => |msg| print("Hare: {s}\n", .{msg}),
-- 
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