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ceph-csi/vendor/google.golang.org/grpc/internal/grpcsync/oncefunc.go
dependabot[bot] f003c37b21 rebase: bump google.golang.org/grpc from 1.50.1 to 1.51.0
Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.50.1 to 1.51.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.50.1...v1.51.0)

---
updated-dependencies:
- dependency-name: google.golang.org/grpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2022-12-12 06:02:41 +00:00

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871 B
Go

/*
*
* Copyright 2022 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package grpcsync
import (
"sync"
)
// OnceFunc returns a function wrapping f which ensures f is only executed
// once even if the returned function is executed multiple times.
func OnceFunc(f func()) func() {
var once sync.Once
return func() {
once.Do(f)
}
}