Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/classes/array.rb

Instance Method Summary collapse

Instance Method Details

#split(value = nil, &block) ⇒ Object

from rails: github.com/rails/rails/blob/master/activesupport/lib/active_support/core_ext/array/grouping.rb 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]]



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# File 'lib/classes/array.rb', line 8

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