diff --git a/source/mijin/container/stride_span.hpp b/source/mijin/container/stride_span.hpp
index 47c26d7..33aed97 100644
--- a/source/mijin/container/stride_span.hpp
+++ b/source/mijin/container/stride_span.hpp
@@ -117,10 +117,14 @@ public:
     StrideSpan& operator=(const StrideSpan&) = default;
     auto operator<=>(const StrideSpan&) const noexcept = default;
 
+    constexpr operator bool() const noexcept { return !empty(); }
+    constexpr bool operator!() const noexcept { return empty(); }
+
     reference operator[](size_type index);
     const_reference operator[](size_type index) const;
 
-    [[nodiscard]] constexpr size_type size() const noexcept { return bytediff(begin_, end_) / strideBytes_; }
+    [[nodiscard]] constexpr size_type size() const noexcept { return strideBytes_ == 0 ? 0 : bytediff(begin_, end_) / strideBytes_; }
+    [[nodiscard]] constexpr bool empty() const noexcept { return begin_ == end_; }
 
     [[nodiscard]] iterator begin() { return StrideSpanIterator<T>(begin_, strideBytes_, begin_, end_); }
     [[nodiscard]] const_iterator begin() const { return StrideSpanIterator<const T>(begin_, strideBytes_, begin_, end_); }