dan/errgroup
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

errgroup: fix misleading comment in MD5All example

Browse source 
Change-Id: I0c2f0ce9b6006dac13c5f5faed752a2475992805
Reviewed-on: https://go-review.googlesource.com/33851
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Bryan C. Mills 2016-07-22 14:36:19 -04:00 • committed by Bryan Mills
commit 81567d9de7
1 changed files with 3 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

6
errgroup/errgroup_example_md5all_test.go
View file

@ -39,9 +39,9 @@ type result struct {
// from file path to the MD5 sum of the file's contents. If the directory walk // 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. // fails or any read operation fails, MD5All returns an error.
func MD5All(ctx context.Context, root string) (map[string][md5.Size]byte, 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 // ctx is canceled when g.Wait() returns. When this version of MD5All returns
// returns - even in case of error! - we know that all of the goroutines have // - even in case of error! - we know that all of the goroutines have finished
// finished and the memory they were using can be garbage-collected. // and the memory they were using can be garbage-collected.
g, ctx := errgroup.WithContext(ctx) g, ctx := errgroup.WithContext(ctx)
paths := make(chan string) paths := make(chan string)