Refactor extensions.

internal/util/osfs.go

@@ -1,24 +0,0 @@
-package util
-
-import (
-	"io/fs"
-	"os"
-)
-
-type OSFS struct{}
-
-func (OSFS) Open(name string) (fs.File, error) {
-	return os.Open(name)
-}
-
-func (OSFS) Stat(name string) (fs.FileInfo, error) {
-	return os.Stat(name)
-}
-
-func (OSFS) ReadDir(name string) ([]fs.DirEntry, error) {
-	return os.ReadDir(name)
-}
-
-func (OSFS) ReadFile(name string) ([]byte, error) {
-	return os.ReadFile(name)
-}

internal/util/pointer_test.go

@@ -0,0 +1,15 @@
+package util_test
+
+import (
+	"math"
+	"testing"
+
+	"github.com/ncruces/go-sqlite3/internal/util"
+)
+
+func TestUnwrapPointer(t *testing.T) {
+	p := util.Pointer[float64]{Value: math.Pi}
+	if got := util.UnwrapPointer(p); got != math.Pi {
+		t.Errorf("want π, got %v", got)
+	}
+}