noelworden

def get_message(error) do
  converted_opts = Enum.map(error.opts, fn {key, value} ->
    {String.to_existing_atom(key), value}
  end)

  translate_error({"#{error.message}", converted_opts})
end

noelworden

def create!(attrs) do
  %{attrs | message_opts: Map.new(attrs.message_opts)}
  |> SourceFileError.changeset()
  |> Repo.insert!()
end

noelworden

%{example_map | key: updated_value}

noelworden

iex> example_map = %{alpha: "one", bravo: "two", charlie: "three"}
%{alpha: "one", bravo: "two", charlie: "three"}

noelworden

iex> %{example_map | charlie: "four"}
%{alpha: "one", bravo: "two", charlie: "four"}

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iex> %{example_map | delta: "five"}
** (KeyError) key :delta not found in: %{alpha: "one", bravo: "two", charlie: "three"}
    (stdlib 3.12.1) :maps.update(:delta, "five", %{alpha: "one", bravo: "two", charlie: "three"})
    (stdlib 3.12.1) erl_eval.erl:256: anonymous fn/2 in :erl_eval.expr/5
    (stdlib 3.12.1) lists.erl:1263: :lists.foldl/3

noelworden

Map.put/3
Map.replace!/3
Map.update!/3
Map.update/4

noelworden

iex> Map.put(example_map, :charlie, "four")
%{alpha: "one", bravo: "two", charlie: "four"}

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iex> Map.put(example_map, :delta, "five")
%{alpha: "one", bravo: "two", charlie: "three", delta: "five"}

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iex> Map.replace!(example_map, :charlie, "four")
%{alpha: "one", bravo: "two", charlie: "four"}