path: root/tests/projects/swift/bidirectional_cxx_interop_lib/lib/fibonacci.swift

public func fibonacciSwift(_ x: CInt) -> CInt {
    print("x [swift]: \(x)")
    if x <= 1 {
        return 1
    }
    return fibonacciSwift(x - 1) + fibonacciSwift(x - 2)
}