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| author | Krushnal Patil <krushnalpatil1111@gmail.com> | 2026-03-09 01:31:02 +0000 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2026-03-10 20:06:37 -0700 |
| commit | e22dc6c86685aef76a9bb22ff186d4cd5a822027 (patch) | |
| tree | 0cb9e4077f7bb62ec9d95e6c64832ec763e83df0 /src | |
| parent | a95f60871f52f3701e596c07b0e7bf8a3b1619ed (diff) | |
| download | go-e22dc6c86685aef76a9bb22ff186d4cd5a822027.tar.xz | |
context: modernize AfterFunc example using WaitGroup.Go
The context.AfterFunc example currently uses the traditional
sync.WaitGroup pattern with Add and Done.
Update the example to use sync.WaitGroup.Go instead.
Fixes #78018
Change-Id: I079a773a6ec1c65f26af2bd8092067843adb1cd1
GitHub-Last-Rev: 9e648ae4241ca0647d3a501f7658d48100c180b8
GitHub-Pull-Request: golang/go#78020
Reviewed-on: https://go-review.googlesource.com/c/go/+/752880
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Mark Freeman <markfreeman@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/context/example_test.go | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/src/context/example_test.go b/src/context/example_test.go index be8cd8376e..1bed045e39 100644 --- a/src/context/example_test.go +++ b/src/context/example_test.go @@ -161,11 +161,8 @@ func ExampleAfterFunc_cond() { cond := sync.NewCond(new(sync.Mutex)) var wg sync.WaitGroup - for i := 0; i < 4; i++ { - wg.Add(1) - go func() { - defer wg.Done() - + for range 4 { + wg.Go(func() { ctx, cancel := context.WithTimeout(context.Background(), 1*time.Millisecond) defer cancel() @@ -174,7 +171,7 @@ func ExampleAfterFunc_cond() { err := waitOnCond(ctx, cond, func() bool { return false }) fmt.Println(err) - }() + }) } wg.Wait() |