System.put_env/1 erases given key when a value is nil. The proposal is to make System.put_env/2 symmetric with the System.put_env/1 and also erase a key on the nil value.
The spec would change from: @spec put_env(binary(), binary()) :: :ok to: @spec put_env(binary(), binary() | nil) :: :ok -- You received this message because you are subscribed to the Google Groups "elixir-lang-core" group. To unsubscribe from this group and stop receiving emails from it, send an email to elixir-lang-core+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-core/0cc7caf8-f152-4476-9472-454c5c7e2f07n%40googlegroups.com.
