module Polyfill::V2_6::Array
Public Instance Methods
difference(*arrays)
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# File lib/polyfill/v2_6/array.rb, line 4 def difference(*arrays) arrays.reduce([*self]) do |me, array| me - array end end
to_h()
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Calls superclass method
# File lib/polyfill/v2_6/array.rb, line 10 def to_h return super unless block_given? block = ::Proc.new pairs = map.with_index do |elem, i| pair = block.call(elem) unless pair.respond_to?(:to_ary) raise TypeError, "wrong element type #{pair.class} at #{i} (expected array)" end pair = pair.to_ary unless pair.length == 2 raise ArgumentError, "wrong array length at #{i} (expected 2, was #{pair.length})" end pair end pairs.to_h end
union(*arrays)
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# File lib/polyfill/v2_6/array.rb, line 34 def union(*arrays) return self | [] if arrays.empty? arrays.reduce(self) do |me, array| me | array end end