import Foundation

@inline(never)
func makeFunc(_ x: Int) -> () -> Void {
    if arc4random() & 1 == 0 {
        return { print(x + 1) }
    } else {
        return { print(x - 1) }
    }
}

func test() {
    let funcs = [makeFunc(1), makeFunc(2), makeFunc(3), makeFunc(4), makeFunc(5), makeFunc(6)]
    print(funcs)
}

test()