my ziglings
095_quiz_async: Add missing Bug 4
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exercises/095_quiz_async.zig
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exercises/095_quiz_async.zig
···
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// there's no more data coming.
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queue.close(io);
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// Wait for the collector to drain the remaining queue.
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_ = collector_future.await(io);
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// _ = collector_future.???(io);
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// Bug 4: How do we wait for the collector to drain the remaining queue?
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_ = collector_future.???(io);
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// Now write the garden report. This is critical — it must
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// NOT be interrupted, even if something tries to cancel us!
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patches/patches/095_quiz_async.patch
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patches/patches/095_quiz_async.patch
···
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--- exercises/095_quiz_async.zig 2026-04-06 19:55:17.111817364 +0200
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+++ answers/095_quiz_async.zig 2026-04-06 19:56:16.063974543 +0200
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--- exercises/095_quiz_async.zig 2026-04-13 19:11:04.173440326 -0700
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+++ answers/095_quiz_async.zig 2026-04-13 19:10:31.618592222 -0700
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@@ -51,7 +51,7 @@
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fn addReading(self: *GardenWeather, io: std.Io, reading: Reading) void {
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// Bug 1: The collector needs to lock before modifying
···
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defer _ = collector_future.cancel(io);
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// Sensor group: the sensors can use async — they just need
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@@ -91,7 +91,7 @@
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@@ -91,22 +91,22 @@
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// Bug 3: Wait for ALL sensors to finish sending their readings.
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// What Group method blocks until all tasks complete?
···
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// All sensors done — close the queue so the collector knows
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// there's no more data coming.
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@@ -99,15 +99,14 @@
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queue.close(io);
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// Wait for the collector to drain the remaining queue.
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_ = collector_future.await(io);
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- // _ = collector_future.???(io);
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// Bug 4: How do we wait for the collector to drain the remaining queue?
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- _ = collector_future.???(io);
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+ _ = collector_future.await(io);
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// Now write the garden report. This is critical — it must
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// NOT be interrupted, even if something tries to cancel us!
···
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printGardenReport(&weather);
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}
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@@ -129,7 +128,7 @@
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@@ -128,7 +128,7 @@
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// Bug 6: Send the reading into the queue.
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// What Queue method sends a single element?