errgroup/syncmap/go19.go
Russ Cox 036812b2e8 all: go fmt ./...
Make all our package sources use Go 1.17 gofmt format
(adding //go:build lines).

Not strictly necessary but will avoid spurious changes
as files are edited.

Part of //go:build change (#41184).
See https://golang.org/design/draft-gobuild

Change-Id: Ie3f0a5f80ab53b95a25db9ccfd9a3cc4ea7ff465
Reviewed-on: https://go-review.googlesource.com/c/sync/+/294370
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Robert Griesemer <gri@golang.org>
2021-02-20 03:29:51 +00:00

18 lines
564 B
Go

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build go1.9
// +build go1.9
package syncmap
import "sync" // home to the standard library's sync.map implementation as of Go 1.9
// Map is a concurrent map with amortized-constant-time loads, stores, and deletes.
// It is safe for multiple goroutines to call a Map's methods concurrently.
//
// The zero Map is valid and empty.
//
// A Map must not be copied after first use.
type Map = sync.Map