kmx.io/kmxgit/lib/errors.ex

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• Author : Thomas de Grivel
  Date : 2022-11-02 18:24:08
  Hash : 4d8f6ed5
  Message : licence

• lib/errors.ex

• ## kmxgit
  ## Copyright 2022 kmx.io <contact@kmx.io>
  ##
  ## Permission is hereby granted to use this software granted
  ## the above copyright notice and this permission paragraph
  ## are included in all copies and substantial portions of this
  ## software.
  ##
  ## THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
  ## PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
  ## AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
  ## THIS SOFTWARE.
  
  defmodule Errors do
  
    def stack_to_string(stack), do: stack_to_string(stack, [])
  
    def stack_to_string([], acc), do: acc |> Enum.reverse() |> Enum.join("\n")
    def stack_to_string([{module, fun, arity, [file: file, line: line]} | rest], acc) do
      str = "#{module}.#{fun}/#{arity}\n    #{file}:#{line}"
      stack_to_string(rest, [str | acc])
    end
    def stack_to_string([{module, fun, arity, _} | rest], acc) do
      str = "#{inspect(module)}.#{inspect(fun)}/#{inspect(arity)}"
      stack_to_string(rest, [str | acc])
    end
    def stack_to_string([elt | rest], acc) do
      stack_to_string(rest, [inspect(elt) | acc])
    end
  end