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December 21, 2015 18:39
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Access protocol only for specific record
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| defrecord User, email: nil | |
| defmodule Access.User do | |
| def access(record, attr), do: apply(elem(record, 0), attr, [record]) | |
| end | |
| user = User.new(email: "foo@bar.com") | |
| iex> user[:email] | |
| "foo@bar.com" |
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