Sha256: abd105dc74a676d683e39815bdc6a9c472bdf3ab2c139257bb7e78d493e6163d
Contents?: true
Size: 1.45 KB
Versions: 115
Compression:
Stored size: 1.45 KB
Contents
# encoding: utf-8
require 'open_classes/object'
require 'open_classes/module'
require 'open_classes/array/together_helper'
# Array
class Array
include TogetherHelper
# Arrays loop together select.
#
# together_select has aliases [:tselect, :together_find_all, :tfindall]
#
# if you want to single Array return
# firsts = [1, 2, 3, 4]
# seconds = [4, 2, 3, 1]
# ret = [firsts, seconds].together_select{|first, second|first == second}
# print ret # => output [[2, 3], [2, 3]]
#
# if you want to multi Array return
# firsts = [1, 2, 3, 4]
# seconds = [4, 2, 3, 1]
# ret = [firsts, seconds].together_select{|first, second|[first.odd?, second.even?]}
# print ret # => output [[1, 3], [4, 2]]
def together_select
if_not_contain_array_rails_type_error
ret = []
first.each_with_index do |i_v, i|
eval_each_str = get_args_str_for_together i
each_ret = instance_eval "yield(#{eval_each_str})"
ret = set_together_each_return_select(ret, each_ret, i)
end
ret
end
private
def set_together_each_return_select(ret, each_ret, index)
unless together_return_multi?(each_ret)
tmp_each_ret = []
size.times { tmp_each_ret << each_ret }
each_ret = tmp_each_ret
end
size.times { |i|ret << [] } if index == 0
(0..(size - 1)).each { |i|ret[i] << self[i][index] if each_ret[i] }
ret
end
alias_methods [:together_find_all, :tselect, :tfindall], :together_select
end
Version data entries
115 entries across 115 versions & 1 rubygems