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nelantone/normal_ruby_collection_case.rb

Last active January 27, 2021 11:58
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normal_ruby_collection_case.rb
a = ['a','b', 'c']
a.each do |b|
b.upcase! # upcase is not an array method so we use `b` instead a[1] = 'd'
a[1] = 'd'
end
p a # => ['Ad','d','Cd']
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