class Arrayie::Tools
This class contains tools for working with Array type
Public Instance Methods
flatten(input_array)
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Flattens a Array type
@param [Array] input_array An array @return [Array] flattened input array @raise [ArgumentError] if the input array is not an Array type
# File lib/arrayie/tools.rb, line 25 def flatten(input_array) unless input_array.is_a?(Array) raise ArgumentError, 'Accepted input should be an Array type.' end input_array.inject([]) do |output_array, item| output_array += item.is_a?(Array) ? flatten(item) : [item] output_array end end