// Factorial function demonstrating recursion
//
// Expected output: 10! = 3628800

fn factorial(n: Int): Int =
    if n <= 1 then 1
    else n * factorial(n - 1)

// Calculate factorial of 10
let result = factorial(10)

// Print result using Console effect
fn showResult(): Unit with {Console} =
    Console.print("10! = " + toString(result))

let output = run showResult() with {}