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A Swift property wrapper which stores the previous value
.package(url: "https://github.com/ikesyo/swift-with-previous.git", from: "1.0.0")


A Swift property wrapper which stores the previous value. The previous value can be get by the projected value $propertyName.

import XCTest
import WithPrevious

final class WithPreviousTests: XCTestCase {
    @WithPrevious var value = 0

    func testWithPreviousWrapper() {
        XCTAssertEqual(value, 0)

        value = 10

        XCTAssertEqual(value, 10)
        XCTAssertEqual($value, 0)


MIT license. See LICENSE for details.


Stars: 2
Last commit: 2 weeks ago

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Release Notes

2 weeks ago
  • Initial release

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