21 lines
601 B
Markdown
21 lines
601 B
Markdown
# Lösung: Mixin benutzen
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<div style="border: 1px solid grey;"><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br></div>```ruby
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class Squares
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include Enumerable
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def initialize(max)
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@max = max
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end
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def each
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for i in 1..@max
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yield i ** 2
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end
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end
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end
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s = Squares.new(20)
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s.each { |e| puts e }
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s.first
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``` |