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tkfm-yamaguchi/array-tap.rb

Created August 12, 2014 06:20
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Array#tap mistery
Raw
array-tap.rb
# Array#tap mistery
array = [].tap do |array|
array << [1,3]
end
p array #=> [[1,3]]
array = [].tap do |array|
array += [1,3]
end
p array #=> []
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