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Correctly set `nil` for `OptionalKey` 

Fixes #8
This commit is contained in:
Sindre Sorhus 2018-05-14 15:27:35 +07:00
parent f9a74ca64a
commit 0f45f544d6
2 changed files with 9 additions and 2 deletions
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7
Sources/Defaults.swift
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@ -104,9 +104,12 @@ public extension UserDefaults {
return _get(key.name) return _get(key.name)
} }
set { set {
if let value = newValue { guard let value = newValue else {
_set(key.name, to: value) set(nil, forKey: key.name)
return
} }
_set(key.name, to: value)
} }
} }

4
Tests/DefaultsTests/DefaultsTests.swift
View File

@ -35,6 +35,10 @@ final class DefaultsTests: XCTestCase {
XCTAssertNil(UserDefaults.standard[key]) XCTAssertNil(UserDefaults.standard[key])
UserDefaults.standard[key] = true UserDefaults.standard[key] = true
XCTAssertTrue(UserDefaults.standard[key]!) XCTAssertTrue(UserDefaults.standard[key]!)
UserDefaults.standard[key] = nil
XCTAssertNil(UserDefaults.standard[key])
UserDefaults.standard[key] = false
XCTAssertFalse(UserDefaults.standard[key]!)
} }
func testKeys() { func testKeys() {