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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 fill.
#
# together_fill has alias :tfill
#
# not use block case
# lists = [[*1..5], [*6..10]]
# ret = lists.together_fill(99)
# print ret # => [[99, 99, 99, 99, 99], [99, 99, 99, 99, 99]]
#
# use block, no args case
# lists = [[*1..5], [*6..10]]
# ret = lists.together_fill { |i|(i + 1) + 1 }
# print ret # => [[2, 3, 4, 5, 6], [2, 3, 4, 5, 6]]
#
# use block, has args case
# lists = [[*1..5], [*6..10]]
# ret = lists.together_fill(2) { |i|(i + 1) + 1 }
# print ret # => [[1, 2, 4, 5, 6], [6, 7, 4, 5, 6]]
def together_fill(fill_value = nil, &block)
if_not_contain_array_rails_type_error
if block
fill_value = 0 if fill_value.nil?
first.each_with_index do |i_v, i|
next if i < fill_value
each { |list|list[i] = yield(i) }
end
else
each { |list|list.fill fill_value }
end
self
end
alias_method :tfill, :together_fill
end
Version data entries
115 entries across 115 versions & 1 rubygems