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lib/image_tools.ex
defmodule ImageTools do
use Rustler, otp_app: :image_tools, crate: "image_tools"
@moduledoc """
Documentation for `ImageTools`.
"""
@doc """
Hello world.
## Examples
iex> ImageTools.hello()
:world
"""
def hello do
:world
end
def rotate_image(_binary, _degrees), do: :erlang.nif_error(:nif_not_loaded)
end