Creating Single Async Task

FetchAPITask.swift

// 1
func fetchAPI<D: Decodable>(url: URL) async throws -> D {
    // 2
    let task = Task { () -> D in
        // 3
        let data = try Data(contentsOf: url)
        let decodedData = try JSONDecoder().decode(D.self, from: data)
        return decodedData
    }
    // 4
    return try await task.value
}