text: # Copyright Ralf W. Grosse-Kunstleve 2006. Distributed under the Boost
  # Software License, Version 1.0. (See accompanying
  # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  import std_pair_ext
  assert std_pair_ext.foo() == (3, 5)
  print "OK"
  