What is the difference between Ruby’s Hash and ActiveSupport’s HashWithIndifferentAccess?

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Mon May 18 2020 19:18:47 GMT+0000 (Coordinated Universal Time)

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h = HashWithIndifferentAccess.new
h[:my_value] = 'foo'
h['my_value'] #=> will return "foo"
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https://www.toptal.com/ruby-on-rails/interview-questions