github.com/goplus/gop@v1.2.6/printer/_testdata/16-Fib/fib.gop (about)

     1  func fib(n int) int {
     2  	if n == 0 {
     3  		return 0
     4  	}
     5  	if n == 1 {
     6  		return 1
     7  	}
     8  	return fib(n-1) + fib(n-2)
     9  }
    10  
    11  println `fib(27):`, fib(27)