PassiveSupport.String.safe_existing_atom

You're seeing just the function safe_existing_atom, go back to PassiveSupport.String module for more information.

safe_existing_atom(arg)

safe_existing_atom(String.t()) :: {:ok, atom()} | :error

Safely casts the string to an atom, returning {:ok, atom} if successful and :error if not.

iex> safe_existing_atom("ok")
{:ok, :ok}
iex> safe_existing_atom("not_particularly_ok")
:error