feat: sqlc, nix formatting

server/internal/util/pointers.go

@@ -0,0 +1,17 @@
+package util
+
+func DerefOrEmpty[T any](val *T) T {
+	if val == nil {
+		var empty T
+		return empty
+	}
+	return *val
+}
+
+func IsNotNil[T any](val *T) bool {
+	return val != nil
+}
+
+func ToPointer[T any](val T) *T {
+	return &val
+}