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64 lines
2.0 KiB
Markdown
64 lines
2.0 KiB
Markdown
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# atomic [![GoDoc][doc-img]][doc] [![Build Status][ci-img]][ci] [![Coverage Status][cov-img]][cov] [![Go Report Card][reportcard-img]][reportcard]
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Simple wrappers for primitive types to enforce atomic access.
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## Installation
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```shell
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$ go get -u go.uber.org/atomic@v1
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```
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### Legacy Import Path
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As of v1.5.0, the import path `go.uber.org/atomic` is the only supported way
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of using this package. If you are using Go modules, this package will fail to
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compile with the legacy import path path `github.com/uber-go/atomic`.
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We recommend migrating your code to the new import path but if you're unable
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to do so, or if your dependencies are still using the old import path, you
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will have to add a `replace` directive to your `go.mod` file downgrading the
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legacy import path to an older version.
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```
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replace github.com/uber-go/atomic => github.com/uber-go/atomic v1.4.0
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```
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You can do so automatically by running the following command.
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```shell
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$ go mod edit -replace github.com/uber-go/atomic=github.com/uber-go/atomic@v1.4.0
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```
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## Usage
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The standard library's `sync/atomic` is powerful, but it's easy to forget which
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variables must be accessed atomically. `go.uber.org/atomic` preserves all the
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functionality of the standard library, but wraps the primitive types to
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provide a safer, more convenient API.
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```go
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var atom atomic.Uint32
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atom.Store(42)
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atom.Sub(2)
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atom.CAS(40, 11)
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```
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See the [documentation][doc] for a complete API specification.
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## Development Status
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Stable.
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---
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Released under the [MIT License](LICENSE.txt).
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[doc-img]: https://godoc.org/github.com/uber-go/atomic?status.svg
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[doc]: https://godoc.org/go.uber.org/atomic
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[ci-img]: https://travis-ci.com/uber-go/atomic.svg?branch=master
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[ci]: https://travis-ci.com/uber-go/atomic
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[cov-img]: https://codecov.io/gh/uber-go/atomic/branch/master/graph/badge.svg
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[cov]: https://codecov.io/gh/uber-go/atomic
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[reportcard-img]: https://goreportcard.com/badge/go.uber.org/atomic
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[reportcard]: https://goreportcard.com/report/go.uber.org/atomic
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