Work around Swift bug in Xcode 16

sindresorhus · Jun 11, 2024 · 5434b04 · 5434b04
1 parent 3b770e2
commit 5434b04
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Showing 3 changed files with 13 additions and 2 deletions.
diff --git a/Sources/Defaults/Defaults.swift b/Sources/Defaults/Defaults.swift
@@ -126,7 +126,7 @@ extension Defaults {
 
 			super.init(name: name, suite: suite)
 
-			if (defaultValue as? _DefaultsOptionalProtocol)?._defaults_isNil == true {
+			guard !isNil(defaultValue) else {
 				return
 			}
 

diff --git a/Sources/Defaults/UserDefaults.swift b/Sources/Defaults/UserDefaults.swift
@@ -10,7 +10,7 @@ extension UserDefaults {
 	}
 
 	 func _set<Value: Defaults.Serializable>(_ key: String, to value: Value) {
-		if (value as? _DefaultsOptionalProtocol)?._defaults_isNil == true {
+		guard !isNil(value) else {
 			removeObject(forKey: key)
 			return
 		}

diff --git a/Sources/Defaults/Utilities.swift b/Sources/Defaults/Utilities.swift
@@ -458,3 +458,14 @@ func runtimeWarn(
 #endif
 #endif
 }
+
+
+@usableFromInline
+func isNil(_ value: Any) -> Bool {
+	switch value {
+	case Optional<Any>.none:
+		return true
+	default:
+		return false
+	}
+}