FIX: Fix missing std::optional declaration

src/slic3r/GUI/DeviceCore/DevExtruderSystem.h:136:10: error: ‘optional’ in namespace ‘std’ does not name a template type
  136 |     std::optional<DevExtder> GetCurrentExtder() const;
      |          ^~~~~~~~

(cherry picked from commit 3c67563639a6c99955e16ac8e5b4042e64b07b73)
This commit is contained in:
Bastien Nocera
2025-08-12 19:32:46 +02:00
committed by Noisyfox
parent f39b26be75
commit 2e47d7315e

View File

@@ -1,4 +1,5 @@
#pragma once
#include <optional>
#include "libslic3r/CommonDefs.hpp"
#include "slic3r/Utils/json_diff.hpp"