Improved Unique<> implementation, moved StackIndex into a separate header

1 files changed, 11 insertions, 0 deletions

diff --git a/src/stackindex.hpp b/src/stackindex.hpp
new file mode 100644
index 0000000..7c2c17a
--- /dev/null
+++ b/src/stackindex.hpp
@@ -0,0 +1,11 @@
+#pragma once
+
+#include "unique.hpp"
+
+DECLARE_UNIQUE_TYPE(StackIndex, int);
+static_assert(std::is_trivial_v<StackIndex>);
+
+// #################################################################################################
+
+static constexpr StackIndex kIdxRegistry{ LUA_REGISTRYINDEX };
+static constexpr StackIndex kIdxTop{ -1 };