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bscothern/Once
A replacement for Dispatch Once in Swift
.package(url: "https://github.com/bscothern/Once.git", from: "v1.3.3")

Once

GitHub license SPM Carthage compatible

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+

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

Swift 4.0-5.1

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

Carthage Usage

Include this line in your Cartfile:

github "bscothern/Once"

Usage

import Once

let once = Once()

func foo() {
    once.runOnce {
        // Do stuff that should only execute the first time foo() is called.
    }
    // Do stuff
}

GitHub

link
Stars: 41
Last commit: 37 weeks ago

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Release Notes

v1.3.3
37 weeks ago

Cleaned up some formatting. Cleaned up pointer operations. Added a concurrent operations test.

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