1# Copyright David Abrahams 2004. Distributed under the Boost
2# Software License, Version 1.0. (See accompanying
3# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
4'''
5>>> from return_arg_ext import *
6>>> l1=Label()
7>>> assert l1 is l1.label("bar")
8>>> assert l1 is l1.label("bar").sensitive(0)
9>>> assert l1.label("foo").sensitive(0) is l1.sensitive(1).label("bar")
10>>> assert return_arg is return_arg(return_arg)
11
12'''
13
14def run(args = None):
15    import sys
16    import doctest
17
18    if args is not None:
19        sys.argv = args
20    return doctest.testmod(sys.modules.get(__name__))
21
22if __name__ == '__main__':
23    print("running...")
24    import sys
25    status = run()[0]
26    if (status == 0): print("Done.")
27    sys.exit(status)
28