trupin/how_unit_testing_can_help_write_better_designs_4.swift

## how_unit_testing_can_help_write_better_designs_4.swift
protocol ClientProtocol {

    /// Performs a request and retrieves a response from the server.
    func get(path: String, completion: @escaping (Result<Any, ClientError>) -> Void)
}
	protocol ClientProtocol {

	/// Performs a request and retrieves a response from the server.
	func get(path: String, completion: @escaping (Result<Any, ClientError>) -> Void)
	}