1 #!/usr/bin/env python 2 3 """ 4 Quantifier functions. 5 6 Copyright (C) 2015, 2016, 2017 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 def all(iterable): 23 24 "Return whether all of the elements provided by 'iterable' are true." 25 26 for i in iterable: 27 if not i: 28 return False 29 30 return True 31 32 def any(iterable): 33 34 "Return whether any of the elements provided by 'iterable' are true." 35 36 for i in iterable: 37 if i: 38 return True 39 40 return False 41 42 # vim: tabstop=4 expandtab shiftwidth=4