From d1b61b02b1a6bdaa337ff060eda3d3d5fb67827d Mon Sep 17 00:00:00 2001
From: Hannes Schulze <haschu0103@outlook.de>
Date: Thu, 6 Feb 2025 16:34:23 +0100
Subject: refactor: move containers into separate directory

---
 lib/nes/common/box.hh | 78 ---------------------------------------------------
 1 file changed, 78 deletions(-)
 delete mode 100644 lib/nes/common/box.hh

(limited to 'lib/nes/common/box.hh')

diff --git a/lib/nes/common/box.hh b/lib/nes/common/box.hh
deleted file mode 100644
index 7bf2848..0000000
--- a/lib/nes/common/box.hh
+++ /dev/null
@@ -1,78 +0,0 @@
-#pragma once
-
-#include "nes/common/types.hh"
-#include "nes/common/debug.hh"
-
-namespace nes
-{
-	/// Wrapper around an object, allowing for it to be uninitialized or reassigned even if the object type doesn't
-	/// support it.
-	///
-	/// Basically a std::unique_ptr but stored in-place (and thus not movable).
-	template<typename T>
-	class box
-	{
-		bool initialized_{ false };
-		alignas(T) u8 buffer_[sizeof(T)];
-
-	public:
-		/// Create an empty box.
-		explicit box() = default;
-
-		~box()
-		{
-			clear();
-		}
-
-		box(box const&) = delete;
-		box(box&&) = delete;
-		auto operator=(box const&) -> box& = delete;
-		auto operator=(box&&) -> box& = delete;
-
-		auto operator*() -> T&
-		{
-			NES_ASSERT(has_value() && "expected box to be non-empty");
-			return *get();
-		}
-
-		auto operator*() const -> T const&
-		{
-			NES_ASSERT(has_value() && "expected box to be non-empty");
-			return *get();
-		}
-
-		auto operator->() -> T*
-		{
-			NES_ASSERT(has_value() && "expected box to be non-empty");
-			return get();
-		}
-
-		auto operator->() const -> T const*
-		{
-			NES_ASSERT(has_value() && "expected box to be non-empty");
-			return get();
-		}
-
-		operator bool() const { return has_value(); }
-
-		auto has_value() const -> bool { return initialized_; }
-		auto get() -> T* { return has_value() ? std::launder(reinterpret_cast<T*>(buffer_)) : nullptr; }
-		auto get() const -> T const* { return has_value() ? std::launder(reinterpret_cast<T const *>(buffer_)) : nullptr; }
-
-		/// Construct a new value in-place, potentially replacing the old value.
-		template<typename... Args>
-		auto emplace(Args&&... args) -> void
-		{
-			clear();
-			new (buffer_) T(std::forward<Args>(args)...);
-			initialized_ = true;
-		}
-
-		/// Clear the boxed value.
-		auto clear() -> void
-		{
-			if (initialized_) { (*this)->~T(); }
-			initialized_ = false;
-		}
-	};
-} // namespace nes
\ No newline at end of file
-- 
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