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havenwood/size_squared.rb

Last active January 8, 2020 03:01
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My refinement suggestion for a #ruby IRC question about monkey patching
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size_squared.rb
module SizeSquared
[String, Enumerable].each do |this_class|
refine this_class do
def size_squared
size.abs2
end
alias length_squared size_squared
end
end
end
using SizeSquared
'ule'.length_squared
#=> 9
5.times.size_squared
#=> 25
[].size_squared
#=> 0
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