https://github.com/bscothern/Once

A replacement for Dispatch Once in Swift
https://github.com/bscothern/Once

c carthage dispatch swift swift-package-manager swiftpm

Last synced: 3 months ago
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A replacement for Dispatch Once in Swift

• Host: GitHub
• URL: https://github.com/bscothern/Once
• Owner: bscothern
• License: mit
• Created: 2017-10-12T04:43:53.000Z (about 7 years ago)
• Default Branch: main
• Last Pushed: 2021-01-07T04:38:02.000Z (almost 4 years ago)
• Last Synced: 2024-04-04T17:33:44.003Z (7 months ago)
• Topics: c, carthage, dispatch, swift, swift-package-manager, swiftpm
• Language: Swift
• Homepage:
• Size: 43.9 KB
• Stars: 50
• Watchers: 3
• Forks: 6
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Once

[![GitHub license](https://img.shields.io/badge/license-MIT-lightgrey.svg)](https://raw.githubusercontent.com/Carthage/Carthage/master/LICENSE.md) [![SPM](https://img.shields.io/badge/spm-compatible-brightgreen.svg?style=flat)](https://swift.org/package-manager) [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)

A simple thread safe replacement for Dispatch Once and pthread_once for Swift.

## Swift Package Manager

Update your `Package.swift` to include the appropriate dependency below:

### Swift 5.2+

```swift

.package(name: "Once", "https://github.com/bscothern/Once.git", from: "1.4.0")

```

### Swift 4.0-5.1

```swift

.package(url: "https://github.com/bscothern/Once.git", from: "1.3.2")

```

## Carthage Usage

Include this line in your `Cartfile`:

```

github "bscothern/Once"

```

## Usage

```swift

import Once

let once = Once()

func foo() {

    once.runOnce {

        // Do stuff that should only execute the first time foo() is called.

    }

    // Do stuff

}

```