Stop converting strings to_charlist (#291)

Author: warmwaffles

lib/exqlite/sqlite3.ex

@@ -35,9 +35,7 @@ defmodule Exqlite.Sqlite3 do
       the database if it doesn't already exist. Defaults to `:readwrite`.
       Note: [:readwrite, :nomutex] is not recommended.
   """
-  @spec open(String.t() | String.Chars.t(), [open_opt()]) ::
-          {:ok, db()}
-          | {:error, reason()}
+  @spec open(String.t(), [open_opt()]) :: {:ok, db()} | {:error, reason()}
   def open(path, opts \\ []) do
     mode = Keyword.get(opts, :mode, :readwrite)
     Sqlite3NIF.open(path, flags_from_mode(mode))
@@ -163,7 +161,7 @@ defmodule Exqlite.Sqlite3 do
   """
   @spec shrink_memory(db()) :: :ok | {:error, reason()}
   def shrink_memory(conn) do
-    Sqlite3NIF.execute(conn, String.to_charlist("PRAGMA shrink_memory"))
+    Sqlite3NIF.execute(conn, "PRAGMA shrink_memory")
   end
 
   @spec fetch_all(db(), statement(), integer()) :: {:ok, [row()]} | {:error, reason()}
@@ -198,7 +196,7 @@ defmodule Exqlite.Sqlite3 do
   """
   @spec serialize(db(), String.t()) :: {:ok, binary()} | {:error, reason()}
   def serialize(conn, database \\ "main") do
-    Sqlite3NIF.serialize(conn, String.to_charlist(database))
+    Sqlite3NIF.serialize(conn, database)
   end
 
   @doc """
@@ -207,7 +205,7 @@ defmodule Exqlite.Sqlite3 do
   """
   @spec deserialize(db(), String.t(), binary()) :: :ok | {:error, reason()}
   def deserialize(conn, database \\ "main", serialized) do
-    Sqlite3NIF.deserialize(conn, String.to_charlist(database), serialized)
+    Sqlite3NIF.deserialize(conn, database, serialized)
   end
 
   def release(_conn, nil), do: :ok

lib/exqlite/sqlite3_nif.ex

@@ -17,7 +17,7 @@ defmodule Exqlite.Sqlite3NIF do
     :erlang.load_nif(path, 0)
   end
 
-  @spec open(String.Chars.t(), integer()) :: {:ok, db()} | {:error, reason()}
+  @spec open(String.t(), integer()) :: {:ok, db()} | {:error, reason()}
   def open(_path, _flags), do: :erlang.nif_error(:not_loaded)
 
   @spec close(db()) :: :ok | {:error, reason()}
@@ -26,13 +26,13 @@ defmodule Exqlite.Sqlite3NIF do
   @spec interrupt(db()) :: :ok | {:error, reason()}
   def interrupt(_conn), do: :erlang.nif_error(:not_loaded)
 
-  @spec execute(db(), String.Chars.t()) :: :ok | {:error, reason()}
+  @spec execute(db(), String.t()) :: :ok | {:error, reason()}
   def execute(_conn, _sql), do: :erlang.nif_error(:not_loaded)
 
   @spec changes(db()) :: {:ok, integer()} | {:error, reason()}
   def changes(_conn), do: :erlang.nif_error(:not_loaded)
 
-  @spec prepare(db(), String.Chars.t()) :: {:ok, statement()} | {:error, reason()}
+  @spec prepare(db(), String.t()) :: {:ok, statement()} | {:error, reason()}
   def prepare(_conn, _sql), do: :erlang.nif_error(:not_loaded)
 
   @spec bind(db(), statement(), list()) ::
@@ -55,10 +55,10 @@ defmodule Exqlite.Sqlite3NIF do
   @spec transaction_status(db()) :: {:ok, :idle | :transaction}
   def transaction_status(_conn), do: :erlang.nif_error(:not_loaded)
 
-  @spec serialize(db(), String.Chars.t()) :: {:ok, binary()} | {:error, reason()}
+  @spec serialize(db(), String.t()) :: {:ok, binary()} | {:error, reason()}
   def serialize(_conn, _database), do: :erlang.nif_error(:not_loaded)
 
-  @spec deserialize(db(), String.Chars.t(), binary()) :: :ok | {:error, reason()}
+  @spec deserialize(db(), String.t(), binary()) :: :ok | {:error, reason()}
   def deserialize(_conn, _database, _serialized), do: :erlang.nif_error(:not_loaded)
 
   @spec release(db(), statement()) :: :ok | {:error, reason()}