fix: update for Elixir 1.19

lib/exile/process.ex

@@ -897,7 +897,7 @@ defmodule Exile.Process do
   end
 
   @spec exec(State.t()) :: State.t()
-  defp exec(state) do
+  defp exec(%State{} = state) do
     %{
       port: port,
       stdin: stdin_fd,

lib/exile/process/pipe.ex

@@ -64,7 +64,7 @@ defmodule Exile.Process.Pipe do
   end
 
   @spec close(t, pid) :: {:ok, t} | {:error, :pipe_closed_or_invalid_caller}
-  def close(pipe, caller) do
+  def close(%Pipe{} = pipe, caller) do
     if caller != pipe.owner do
       {:error, :pipe_closed_or_invalid_caller}
     else
@@ -77,7 +77,7 @@ defmodule Exile.Process.Pipe do
   end
 
   @spec set_owner(t, pid) :: {:ok, t} | {:error, :closed}
-  def set_owner(pipe, new_owner) do
+  def set_owner(%Pipe{} = pipe, new_owner) do
     if pipe.status == :open do
       ref = Process.monitor(new_owner)
       Process.demonitor(pipe.monitor_ref, [:flush])

lib/exile/process/state.ex

@@ -95,7 +95,7 @@ defmodule Exile.Process.State do
   end
 
   @spec set_status(State.t(), status) :: State.t()
-  def set_status(state, status) do
+  def set_status(%State{} = state, status) do
     %State{state | status: status}
   end
 end