typeof(SortedRange) and is operator

[RazvanN via Digitalmars-d-learn]

Given the following code:

int[] arr = [1, 2, 9, 4, 10, 6];
auto r    = sort(arr);

if(is(typeof(r) == SortedRange!(int[], "a<b")))
writeln("first if");
  12
  13     if(is(typeof(r) == SortedRange!(int[], "a < b")))
  14         writeln("second if");