Lichen

lib/__builtins__/iteration/iterator.py

932:c07b0dd14f85
12 months ago Paul Boddie Moved integer instantiation support to library functions.
     1 #!/usr/bin/env python     2      3 """     4 Iterator objects.     5      6 Copyright (C) 2015, 2016, 2019 Paul Boddie <paul@boddie.org.uk>     7      8 This program is free software; you can redistribute it and/or modify it under     9 the terms of the GNU General Public License as published by the Free Software    10 Foundation; either version 3 of the License, or (at your option) any later    11 version.    12     13 This program is distributed in the hope that it will be useful, but WITHOUT    14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS    15 FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more    16 details.    17     18 You should have received a copy of the GNU General Public License along with    19 this program.  If not, see <http://www.gnu.org/licenses/>.    20 """    21     22 class itemiterator:    23     24     "An iterator for objects providing item access."    25     26     def __init__(self, l):    27     28         "Initialise with the given list 'l'."    29     30         self.l = l    31         self.i = 0    32     33     def next(self):    34     35         "Return the next item."    36     37         try:    38             value = self.l[self.i]    39             self.i += 1    40             return value    41         except IndexError:    42             raise StopIteration, self    43     44 # vim: tabstop=4 expandtab shiftwidth=4