diff --git a/source/mijin/container/typeless_buffer.hpp b/source/mijin/container/typeless_buffer.hpp
index bc4004a..0bc94d3 100644
--- a/source/mijin/container/typeless_buffer.hpp
+++ b/source/mijin/container/typeless_buffer.hpp
@@ -35,9 +35,10 @@ public:
 private:
     std::vector<std::byte> bytes_;
 public:
-    [[nodiscard]] void* data() { return bytes_.data(); }
-    [[nodiscard]] const void* data() const { return bytes_.data(); }
-    [[nodiscard]] size_type byteSize() const { return bytes_.size(); }
+    [[nodiscard]] void* data() noexcept { return bytes_.data(); }
+    [[nodiscard]] const void* data() const noexcept { return bytes_.data(); }
+    [[nodiscard]] size_type byteSize() const noexcept { return bytes_.size(); }
+    [[nodiscard]] bool empty() const noexcept { return bytes_.empty(); }
     void resize(size_type numBytes) { bytes_.resize(numBytes); }
     void reserve(size_type numBytes) { bytes_.reserve(numBytes); }