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lib/rbac.ex
defmodule RBAC do
@moduledoc """
Documentation for `Rbac`.
"""
@doc """
Transform a list of maps (roles) to comma-separated string of ids.
## Examples
iex> RBAC.transform_role_list_to_string([%{id: 1}, %{id: 2}, %{id: 3}])
"1,2,3"
"""
def transform_role_list_to_string(role_list) do
for i <- role_list do
i.id |> Integer.to_string
end
|> Enum.join(",")
end
end