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ios/SolianBroadcastExtension/Atomic.swift

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+//
+//  Atomic.swift
+//  Broadcast Extension
+//
+//  Created by Maksym Shcheglov.
+//  https://www.onswiftwings.com/posts/atomic-property-wrapper/
+//
+
+import Foundation
+
+@propertyWrapper
+struct Atomic<Value> {
+
+    private var value: Value
+    private let lock = NSLock()
+
+    init(wrappedValue value: Value) {
+        self.value = value
+    }
+
+    var wrappedValue: Value {
+        get { load() }
+        set { store(newValue: newValue) }
+    }
+
+    func load() -> Value {
+        lock.lock()
+        defer { lock.unlock() }
+        return value
+    }
+
+    mutating func store(newValue: Value) {
+        lock.lock()
+        defer { lock.unlock() }
+        value = newValue
+    }
+}