// retoor <retoor@molodetz.nl>
import "pathlib" for Path
var p1 = Path.new("/home/user/docs/file.txt")
System.print(p1.relativeTo("/home/user")) // expect: docs/file.txt
System.print(p1.relativeTo("/home")) // expect: user/docs/file.txt
var p2 = Path.new("/home/user")
System.print(p2.relativeTo("/home/user")) // expect: .