Extracted from Pike v7.8 release 866 at 2016-11-06.
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Array

Classes
 Iterator

Methods
 all()
 any()
 arrayify()
 columns()
 combinations()
 common_prefix()
 compact_diff3()
 count()
 diff()
 diff3()
 diff_compare_table()
 diff_dyn_longest_sequence()
 diff_longest_sequence()
 dwim_sort_func()
 everynth()
 flatten()
 greedy_diff()
 interleave_array()
 longest_ordered_sequence()
 lyskom_sort_func()
 oid_sort_func()
 partition()
 permute()
 pop()
 push()
 reduce()
 rreduce()
 search_array()
 shift()
 shuffle()
 sort_array()
 splice()
 sum()
 sum_arrays()
 transpose()
 uniq()
 uniq2()
 unshift()
previousArray.sum()
Array.transpose()next

Method Array.sum_arrays()

Method sum_arrays

array sum_arrays(function(int(0..0) ... :mixed) sum, array ... args)

Description

Applies the function sum columnwise on the elements in the provided arrays. E.g. sum_array(`+,a,b,c) does the same as `+(a[*],b[*],c[*]).