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havenwood/enumerable.rb

Created July 31, 2019 18:21
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Enumerable and Enumerator examples for Technodrome on IRC
Raw
enumerable.rb
class Technodrome
include Enumerable
def each
yield :fee
yield :fi
yield :fo
yield :fum
end
end
Technodrome.new.map(&:to_s)
#=> ["fee", "fi", "fo", "fum"]
Raw
enumerator.rb
technodrome = Enumerator.new 4 do |yielder|
yielder << :fee
yielder << :fi
yielder << :fo
yielder << :fum
end
technodrome.map(&:to_s)
#=> ["fee", "fi", "fo", "fum"]
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