Sha256: 6536e93a63085c4dab05fb0fb80e72cd79651d3c1f695d7b7ae0462e62c6d288
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Size: 1013 Bytes
Versions: 115
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Stored size: 1013 Bytes
Contents
# encoding: utf-8
require 'open_classes/object'
require 'open_classes/module'
require 'open_classes/array/together_helper'
# Array
class Array
include TogetherHelper
# Arrays bulk last.
#
# together_last has alias :tlast
#
# no args case
# lists = [[*1..5], [*6..10]]
# ret = lists.together_last
# print ret # => [5, 10]
#
# has args 2 case
# lists = [[*1..5], [*6..10]]
# ret = lists.together_last 2
# print ret # => [[4, 5], [9, 10]]
#
# has args 0 case
# lists = [[*1..5], [*6..10]]
# ret = lists.together_last 0
# print ret # => [[], []]
#
# has args over size case
# lists = [[*1..5], [*6..10]]
# ret = lists.together_last 6
# print ret # => [[*1..5], [*6..10]]
def together_last(index = nil)
if_not_contain_array_rails_type_error
each_return = index == 0 ? '[]' : index.nil? ? 'list.last' : 'list.last(index)'
reduce([]) { |ret, list|ret << eval(each_return, binding) }
end
alias_method :tlast, :together_last
end
Version data entries
115 entries across 115 versions & 1 rubygems