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alco/gist:6353899

Forked from chrismccord/gist:6349128
Last active December 21, 2015 19:20
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gistfile1.ex
defrecord User, email: nil
defimpl Access, for: User do
def access(record, attr) do
index = record.__record__(:index, attr)
elem(record, index)
end
end
user = User.new(email: "foo@bar.com")
iex> user[:email]
"foo@bar.com"
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