// retoor <retoor@molodetz.nl>
import "pathlib" for Path
var p1 = Path.new("/home/user/file.txt")
System.print(p1.parent) // expect: /home/user
System.print(p1.parent.parent) // expect: /home
System.print(p1.parent.parent.parent) // expect: /
var p2 = Path.new("/home/user/file.txt")
var parents = p2.parents
System.print(parents.count) // expect: 3
System.print(parents[0]) // expect: /home/user
System.print(parents[1]) // expect: /home
System.print(parents[2]) // expect: /
var p3 = Path.new("relative/path")
System.print(p3.parent) // expect: relative
var p4 = Path.new("file.txt")
System.print(p4.parent) // expect: .