1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/lib/__builtins__/iteration/iterator.py Thu Feb 02 22:38:26 2017 +0100
1.3 @@ -0,0 +1,44 @@
1.4 +#!/usr/bin/env python
1.5 +
1.6 +"""
1.7 +Iterator objects.
1.8 +
1.9 +Copyright (C) 2015, 2016 Paul Boddie <paul@boddie.org.uk>
1.10 +
1.11 +This program is free software; you can redistribute it and/or modify it under
1.12 +the terms of the GNU General Public License as published by the Free Software
1.13 +Foundation; either version 3 of the License, or (at your option) any later
1.14 +version.
1.15 +
1.16 +This program is distributed in the hope that it will be useful, but WITHOUT
1.17 +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
1.18 +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
1.19 +details.
1.20 +
1.21 +You should have received a copy of the GNU General Public License along with
1.22 +this program. If not, see <http://www.gnu.org/licenses/>.
1.23 +"""
1.24 +
1.25 +class itemiterator:
1.26 +
1.27 + "An iterator for objects providing item access."
1.28 +
1.29 + def __init__(self, l):
1.30 +
1.31 + "Initialise with the given list 'l'."
1.32 +
1.33 + self.l = l
1.34 + self.i = 0
1.35 +
1.36 + def next(self):
1.37 +
1.38 + "Return the next item."
1.39 +
1.40 + try:
1.41 + value = self.l[self.i]
1.42 + self.i += 1
1.43 + return value
1.44 + except IndexError:
1.45 + raise StopIteration()
1.46 +
1.47 +# vim: tabstop=4 expandtab shiftwidth=4