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-rw-r--r--dev/Boot/BootKit/Shared/base.h26
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diff --git a/dev/Boot/BootKit/Shared/base.h b/dev/Boot/BootKit/Shared/base.h
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+++ b/dev/Boot/BootKit/Shared/base.h
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+#ifndef UTL_BASE_H
+#define UTL_BASE_H
+
+#include <cstdint>
+#include <cstddef>
+#include <cmath>
+
+namespace utl
+{
+
+ /**
+ * @brief Helper to get number of elements in array.
+ *
+ * @tparam T Auto-deduced element type
+ * @tparam N Auto-deduced number of elements
+ * @return Array size
+ */
+ template <class T, size_t N>
+ constexpr size_t countof(T (&)[N])
+ {
+ return N;
+ }
+
+} // namespace utl
+
+#endif \ No newline at end of file