x/sync/errgroup: clarify docs for Go

Even thought Go cancels the context in g, if it's not nil, it'll call
any subsequent function, regardless if a previous call of f returned an error or not.

Fixes golang/go#54045

Change-Id: Ie6059925f45458cf393bf1fc8949ce16be8e6f2a
Reviewed-on: https://go-review.googlesource.com/c/sync/+/424634
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
1 file changed
tree: 44a59d46ae2090f37c8add2f9cc1f52b0896925b
  1. errgroup/
  2. semaphore/
  3. singleflight/
  4. syncmap/
  5. codereview.cfg
  7. go.mod
  10. README.md

Go Sync

Go Reference

This repository provides Go concurrency primitives in addition to the ones provided by the language and “sync” and “sync/atomic” packages.


The easiest way to install is to run go get -u golang.org/x/sync. You can also manually git clone the repository to $GOPATH/src/golang.org/x/sync.

Report Issues / Send Patches

This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.

The main issue tracker for the sync repository is located at https://github.com/golang/go/issues. Prefix your issue with “x/sync:” in the subject line, so it is easy to find.