examples/test_qsort.av

## examples/test_qsort.av

let q = require(__MODULE__.dir + '/qsort.av');

fn rand_list(n) {
  let a = seq.list();
  for i in range(0, n) {
    seq.add(a, rand(n));
  }
  return a;
}

let a = rand_list(20);
println("before sorting: " + a);
q.sort(a);
println("after sorting: " + a);