Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/logjam_agent/active_support/core_ext/array/extract.rb

Instance Method Summary collapse

Instance Method Details

#extract! ⇒ Object

Removes and returns the elements for which the block returns a true value. If no block is given, an Enumerator is returned instead.

numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
odd_numbers = numbers.extract! { |number| number.odd? } # => [1, 3, 5, 7, 9]
numbers # => [0, 2, 4, 6, 8]



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# File 'lib/logjam_agent/active_support/core_ext/array/extract.rb', line 10

def extract!
  return to_enum(:extract!) { size } unless block_given?

  extracted_elements = []

  reject! do |element|
    extracted_elements << element if yield(element)
  end

  extracted_elements
end