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Simplify lengthof header

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Kp 2014-06-21 16:22:25 +00:00
parent 599520fabb
commit ad3e540b62
1 changed files with 0 additions and 10 deletions
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10
common/include/compiler-lengthof.h
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@ -6,18 +6,8 @@
*/
#pragma once
#ifdef DXX_HAVE_CXX11_FUNCTION_AUTO
#include <cstddef>
#ifdef DXX_HAVE_CXX11_EXPLICIT_DELETE
template <typename T>
static void array_identity(T) = delete;
#endif
template <typename T, std::size_t N>
static auto array_identity(T (&t)[N]) -> T(&)[N] { return t; }
#define lengthof(A) (sizeof((array_identity)(A)) / sizeof((A)[0]))
#else
#define lengthof(A) (sizeof((A)) / sizeof((A)[0]))
#endif