arraysize.h
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	#ifndef BENCHMARK_ARRAYSIZE_H_
	#define BENCHMARK_ARRAYSIZE_H_

	#include "internal_macros.h"

	namespace benchmark {
	namespace internal {
	// The arraysize(arr) macro returns the # of elements in an array arr.
	// The expression is a compile-time constant, and therefore can be
	// used in defining new arrays, for example. If you use arraysize on
	// a pointer by mistake, you will get a compile-time error.
	//

	// This template function declaration is used in defining arraysize.
	// Note that the function doesn't need an implementation, as we only
	// use its type.
	template <typename T, size_t N>
	char (&ArraySizeHelper(T (&array)[N]))[N];

	// That gcc wants both of these prototypes seems mysterious. VC, for
	// its part, can't decide which to use (another mystery). Matching of
	// template overloads: the final frontier.
	#ifndef COMPILER_MSVC
	template <typename T, size_t N>
	char (&ArraySizeHelper(const T (&array)[N]))[N];
	#endif

	#define arraysize(array) (sizeof(::benchmark::internal::ArraySizeHelper(array)))

	} // end namespace internal
	} // end namespace benchmark

	#endif // BENCHMARK_ARRAYSIZE_H_