instance method `split`

Ruby on Rails 4.0.13

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

split(value = nil, &block)

Divides the array into one or more subarrays based on a delimiting value or the result of an optional block.

[1, 2, 3, 4, 5].split(3)              # => [[1, 2], [4, 5]]
(1..10).to_a.split { |i| i % 3 == 0 } # => [[1, 2], [4, 5], [7, 8], [10]]

Parameters

value opt = nil
block block

Source

# File activesupport/lib/active_support/core_ext/array/grouping.rb, line 88
  def split(value = nil, &block)
    inject([[]]) do |results, element|
      if block && block.call(element) || value == element
        results << []
      else
        results.last << element
      end

      results
    end
  end

Defined in activesupport/lib/active_support/core_ext/array/grouping.rb line 88 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Array

Signature

Parameters