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1.12.1
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1.1.2
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1.0.1
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0.13.1
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0.12.1
0.12.0
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0.11.0
0.10.0
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0.7.0
0.6.0
0.5.3
0.5.2
0.5.1
0.5.0
0.4.4
0.4.3
0.4.2
0.4.1
Compose web applications with functions
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lib/plug/conn/unfetched.ex
defmodule Plug.Conn.Unfetched do
@moduledoc """
A struct used as default on unfetched fields.
The `:aspect` key of the struct specifies what field is still unfetched.
## Examples
unfetched = %Plug.Conn.Unfetched{aspect: :cookies}
"""
defstruct [:aspect]
@type t :: %__MODULE__{aspect: atom()}
@behaviour Access
def fetch(%{aspect: aspect}, key) do
raise_unfetched(__ENV__.function, aspect, key)
end
def get(%{aspect: aspect}, key, _value) do
raise_unfetched(__ENV__.function, aspect, key)
end
def get_and_update(%{aspect: aspect}, key, _fun) do
raise_unfetched(__ENV__.function, aspect, key)
end
def pop(%{aspect: aspect}, key) do
raise_unfetched(__ENV__.function, aspect, key)
end
defp raise_unfetched({access, _}, aspect, key) do
raise ArgumentError,
"cannot #{access} key #{inspect(key)} from conn.#{aspect} because they were not fetched"
end
end