errgroup: fix misleading comment in MD5All example
Change-Id: I0c2f0ce9b6006dac13c5f5faed752a2475992805
Reviewed-on: https://go-review.googlesource.com/33851
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/errgroup/errgroup_example_md5all_test.go b/errgroup/errgroup_example_md5all_test.go
index a6cfc8e..714b5ae 100644
--- a/errgroup/errgroup_example_md5all_test.go
+++ b/errgroup/errgroup_example_md5all_test.go
@@ -39,9 +39,9 @@
// from file path to the MD5 sum of the file's contents. If the directory walk
// fails or any read operation fails, MD5All returns an error.
func MD5All(ctx context.Context, root string) (map[string][md5.Size]byte, error) {
- // ctx is canceled when MD5All calls g.Wait(). When this version of MD5All
- // returns - even in case of error! - we know that all of the goroutines have
- // finished and the memory they were using can be garbage-collected.
+ // ctx is canceled when g.Wait() returns. When this version of MD5All returns
+ // - even in case of error! - we know that all of the goroutines have finished
+ // and the memory they were using can be garbage-collected.
g, ctx := errgroup.WithContext(ctx)
paths := make(chan string)
