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Add array_diff program #9

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Add array_diff program #9

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11 changes: 11 additions & 0 deletions array_diff.rb
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Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
# frozen_string_literal: true

# It should remove all values from list a, which are present in list b keeping their order.

def array_diff(array_a, array_b)
array_b.each { |i| array_a.delete(i) }
array_a
end

array_diff([1, 2], [1])
array_diff([1, 2, 2], [1])