Lichen

lib/__builtins__/iteration/summary.py

858:8f8361de472a
2018-07-21 Paul Boddie Invocations in parameter lists may require temporary storage for contexts and accessors, but the storage locations must be different. Otherwise, the code will generate a sequence-point warning. Here, distinct ranges for parameters in lists are introduced, and accessors are now also stored in arrays, permitting distinct storage.
     1 #!/usr/bin/env python     2      3 """     4 Iterator summary 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 max(args):    23     24     "Implementation of max."    25     26     highest = None    27     for arg in args:    28         if highest is None or arg > highest:    29             highest = arg    30     return highest    31     32 def min(args):    33     34     "Implementation of min."    35     36     lowest = None    37     for arg in args:    38         if lowest is None or arg < lowest:    39             lowest = arg    40     return lowest    41     42 def sum(sequence, start=0):    43     44     "Sum the elements in 'sequence', adding to any indicated 'start' value."    45     46     total = start    47     for i in sequence:    48         total += i    49     return total    50     51 # vim: tabstop=4 expandtab shiftwidth=4