@[has_globals]
module main

__global fcall_count = int(0)

fn f1() {
    println(1)
    fcall_count++
}

fn f2() {
    println(2)
    fcall_count++
}

fn f3(f fn ()) {
    f()
}

fn func_defer() {
    mut func := f1
    println('Before')
    defer {
        func()
    }
    defer {
        f3(func)
    }
    func = f2
    println('After')
    assert true
}

fn test_defer_with_fn_var() {
    func_defer()
    assert fcall_count == 2
}