diff options
-rw-r--r-- | lib/elixir/lib/system.ex | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/elixir/lib/system.ex b/lib/elixir/lib/system.ex index 9b923fa22..d137250bd 100644 --- a/lib/elixir/lib/system.ex +++ b/lib/elixir/lib/system.ex @@ -631,7 +631,8 @@ defmodule System do """ @doc since: "1.9.0" - @spec get_env(String.t(), String.t() | nil) :: String.t() | nil + @spec get_env(String.t(), String.t()) :: String.t() + @spec get_env(String.t(), nil) :: String.t() | nil def get_env(varname, default \\ nil) when is_binary(varname) and (is_binary(default) or is_nil(default)) do |