defmodule N2O do
require Record
Enum.each(Record.extract_all(from_lib: "n2o/include/n2o.hrl"), fn {name,
definition} ->
Record.defrecord(name, definition)
end)
defmacro __using__(opts \\ []) do
imports =
opts
|> Macro.expand(__CALLER__)
|> Keyword.get(:with, [:n2o])
Enum.map(imports, fn mod ->
if Code.ensure_compiled(mod) do
upcased = Module.concat([String.upcase(to_string(mod))])
quote do
import unquote(upcased)
alias unquote(mod), as: unquote(upcased)
end
else
IO.warn(
"🚨 Unknown module #{mod} was requested to be used by :n2o. Skipping."
)
end
end)
end
end