mas/MasKitTests/Strongify.swift

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2019-01-09 05:43:33 +00:00
//
// Strongify.swift
// MasKitTests
//
// Created by Ben Chatelain on 1/8/19.
// Copyright © 2019 mas-cli. All rights reserved.
//
// https://medium.com/@merowing_/stop-weak-strong-dance-in-swift-3aec6d3563d4
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func strongify<Context: AnyObject, Arguments>(_ context: Context?,
closure: @escaping (Context, Arguments) -> Void) -> (Arguments) -> Void {
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return { [weak context] arguments in
guard let strongContext = context else { return }
closure(strongContext, arguments)
}
}
func strongify<Context: AnyObject>(_ context: Context?, closure: @escaping (Context) -> Void) {
guard let strongContext = context else { return }
closure(strongContext)
}