# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1477175833 -7200
# Node ID fe65f4aa1f90eb8a04ff142e0a28621f34873632
# Parent  2b3004a5a83bb26a6512563bf7ccd70a6308dc68
Introduced the special get_using function.

diff -r 2b3004a5a83b -r fe65f4aa1f90 lib/__builtins__/__init__.py
--- a/lib/__builtins__/__init__.py	Sun Oct 23 00:36:32 2016 +0200
+++ b/lib/__builtins__/__init__.py	Sun Oct 23 00:37:13 2016 +0200
@@ -3,7 +3,7 @@
 """
 Simple built-in classes and functions.
 
-Copyright (C) 2015 Paul Boddie <paul@boddie.org.uk>
+Copyright (C) 2015, 2016 Paul Boddie <paul@boddie.org.uk>
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -19,7 +19,8 @@
 this program.  If not, see <http://www.gnu.org/licenses/>.
 """
 
-from __builtins__.core import object, type, function, BaseException, Exception, Warning
+from __builtins__.core import function, get_using, object, type, \
+                              BaseException, Exception, Warning
 
 # Exceptions.
 
diff -r 2b3004a5a83b -r fe65f4aa1f90 lib/__builtins__/core.py
--- a/lib/__builtins__/core.py	Sun Oct 23 00:36:32 2016 +0200
+++ b/lib/__builtins__/core.py	Sun Oct 23 00:37:13 2016 +0200
@@ -61,4 +61,6 @@
 class Exception(BaseException): pass
 class Warning(object): pass
 
+def get_using(callable, instance): pass
+
 # vim: tabstop=4 expandtab shiftwidth=4
diff -r 2b3004a5a83b -r fe65f4aa1f90 lib/__builtins__/span.py
--- a/lib/__builtins__/span.py	Sun Oct 23 00:36:32 2016 +0200
+++ b/lib/__builtins__/span.py	Sun Oct 23 00:37:13 2016 +0200
@@ -66,6 +66,6 @@
 
         "Initialise the slice with the given 'start_or_end', 'end' and 'step'."
 
-        xrange.__init__(self, start_or_end, end, step)
+        get_using(xrange.__init__, self)(start_or_end, end, step)
 
 # vim: tabstop=4 expandtab shiftwidth=4