XXMessengerClient - logging

XXMessengerClient

• Add MessengerSetLogLevel function.
• Add MessengerStartLogging function.
• Implement logging with swift-log package.

xx-messenger example

• Log using swift-log package.
• Bootstrap logging system with Pulse library.
• Start logging when creating AppEnvironment.

Sources/XXMessengerClient/Messenger/Functions/MessengerSetLogLevel.swift

+import XCTestDynamicOverlay
+import XXClient
+
+public struct MessengerSetLogLevel {
+  public var run: (LogLevel) throws -> Bool
+
+  public func callAsFunction(_ logLevel: LogLevel) throws -> Bool {
+    try run(logLevel)
+  }
+}
+
+extension MessengerSetLogLevel {
+  public static func live(_ env: MessengerEnvironment) -> MessengerSetLogLevel {
+    MessengerSetLogLevel(run: env.setLogLevel.run)
+  }
+}
+
+extension MessengerSetLogLevel {
+  public static let unimplemented = MessengerSetLogLevel(
+    run: XCTUnimplemented("\(Self.self)")
+  )
+}