From 6c7d16631dc5fdc33f9c024cb3e13bd481b9318f Mon Sep 17 00:00:00 2001
From: CHatingPython <chatingpython@kpgpmc.org>
Date: Fri, 4 Sep 2026 21:28:28 +0200
Subject: [PATCH] feat(furvm): allow setting thing's value

---
 furvm/include/furvm/thing.hpp | 6 ++++++
 furvm/test/test.cpp           | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/furvm/include/furvm/thing.hpp b/furvm/include/furvm/thing.hpp
index 1531fdb..e5db73b 100644
--- a/furvm/include/furvm/thing.hpp
+++ b/furvm/include/furvm/thing.hpp
@@ -427,6 +427,12 @@ public:
         if (!detail::thing_traits<T>{}(*m_type)) throw bad_thing_access();
         return *std::launder(reinterpret_cast<const T*>(m_data));
     }
+
+    template <typename T>
+    void set(T&& newValue) {
+        if (!detail::thing_traits<T>{}(*m_type)) throw bad_thing_access();
+        *std::launder(reinterpret_cast<T*>(m_data)) = std::forward<T>(newValue);
+    }
 public:
     /**
      * @brief Returns a sum of two things.
diff --git a/furvm/test/test.cpp b/furvm/test/test.cpp
index f560151..62e99f2 100644
--- a/furvm/test/test.cpp
+++ b/furvm/test/test.cpp
@@ -84,6 +84,9 @@ TEST(ThingOps, Access) {
     EXPECT_THROW(thing.get<furvm::s8>(), furvm::bad_thing_access);
     EXPECT_THROW(thing.get<furvm::s32>(), furvm::bad_thing_access);
     EXPECT_THROW(thing.get<void*>(), furvm::bad_thing_access);
+
+    EXPECT_NO_THROW(thing.set<furvm::u8>(67)); // He talkin' 'bout sum 6-7 while I want sixty ni-
+    EXPECT_THROW(thing.set<furvm::s32>(1337), furvm::bad_thing_access);
 }
 
 } // namespace