paul@6 | 1 | #!/usr/bin/env python |
paul@6 | 2 | |
paul@6 | 3 | """ |
paul@6 | 4 | Iteration-related functions. |
paul@6 | 5 | |
paul@6 | 6 | Copyright (C) 2015 Paul Boddie <paul@boddie.org.uk> |
paul@6 | 7 | |
paul@6 | 8 | This program is free software; you can redistribute it and/or modify it under |
paul@6 | 9 | the terms of the GNU General Public License as published by the Free Software |
paul@6 | 10 | Foundation; either version 3 of the License, or (at your option) any later |
paul@6 | 11 | version. |
paul@6 | 12 | |
paul@6 | 13 | This program is distributed in the hope that it will be useful, but WITHOUT |
paul@6 | 14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
paul@6 | 15 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
paul@6 | 16 | details. |
paul@6 | 17 | |
paul@6 | 18 | You should have received a copy of the GNU General Public License along with |
paul@6 | 19 | this program. If not, see <http://www.gnu.org/licenses/>. |
paul@6 | 20 | """ |
paul@6 | 21 | |
paul@6 | 22 | from __builtins__.span import xrange |
paul@6 | 23 | |
paul@6 | 24 | def all(iterable): pass |
paul@6 | 25 | def any(iterable): pass |
paul@6 | 26 | def enumerate(iterable): pass |
paul@6 | 27 | def filter(function, sequence): pass |
paul@6 | 28 | def iter(collection): |
paul@6 | 29 | |
paul@6 | 30 | "Implementation of iter without callable plus sentinel support." |
paul@6 | 31 | |
paul@6 | 32 | return collection.__iter__() |
paul@6 | 33 | |
paul@6 | 34 | def len(obj): |
paul@6 | 35 | |
paul@6 | 36 | "Implementation of len." |
paul@6 | 37 | |
paul@6 | 38 | return obj.__len__() |
paul@6 | 39 | |
paul@6 | 40 | def map(function, *args): pass |
paul@6 | 41 | |
paul@6 | 42 | def max(*args): |
paul@6 | 43 | |
paul@6 | 44 | "Implementation of max." |
paul@6 | 45 | |
paul@6 | 46 | highest = args[0] |
paul@6 | 47 | for arg in args[1:]: |
paul@6 | 48 | if arg > highest: |
paul@6 | 49 | highest = arg |
paul@6 | 50 | return highest |
paul@6 | 51 | |
paul@6 | 52 | def min(*args): |
paul@6 | 53 | |
paul@6 | 54 | "Implementation of min." |
paul@6 | 55 | |
paul@6 | 56 | lowest = args[0] |
paul@6 | 57 | for arg in args[1:]: |
paul@6 | 58 | if arg > lowest: |
paul@6 | 59 | lowest = arg |
paul@6 | 60 | return lowest |
paul@6 | 61 | |
paul@6 | 62 | def range(start_or_end, end=None, step=1): |
paul@6 | 63 | |
paul@6 | 64 | "Implementation of range." |
paul@6 | 65 | |
paul@6 | 66 | return list(xrange(start_or_end, end, step)) |
paul@6 | 67 | |
paul@6 | 68 | def reduce(function, sequence, initial=None): pass |
paul@6 | 69 | def reversed(sequence): pass |
paul@6 | 70 | def sorted(iterable, cmp=None, key=None, reverse=False): pass |
paul@6 | 71 | def sum(sequence, start=0): pass |
paul@6 | 72 | def zip(*args): pass |
paul@6 | 73 | |
paul@6 | 74 | # vim: tabstop=4 expandtab shiftwidth=4 |