Re: is operator and SortedRange

[RazvanN via Digitalmars-d-learn]

On Friday, 11 November 2016 at 12:02:10 UTC, ketmar wrote:

On Friday, 11 November 2016 at 11:49:25 UTC, RazvanN wrote:

[...]

template isSortedRange(T) {
  private import std.range : SortedRange;
  static if (is(T : SortedRange!TT, TT)) {
    enum isSortedRange = true;
  } else {
    enum isSortedRange = false;
  }
}


void main () {
  import std.algorithm : sort;
  int[] a;
  a ~= [1, 6, 3];
  auto b = a.sort;
  pragma(msg, typeof(b));
  pragma(msg, isSortedRange!(typeof(a))); // false
  pragma(msg, isSortedRange!(typeof(b))); // true
}

Thank you! Worked like a charm