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#125 Fix unused typedef/variable warning for static assertion

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Andreas Schuh 2015-10-28 00:19:33 +00:00
parent 4e61c45ef9
commit 9db828953a
1 changed files with 3 additions and 2 deletions
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5
src/util.h
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@ -88,9 +88,10 @@ typedef unsigned char uint8;
// -- utility macros ---------------------------------------------------------
template <bool> struct CompileAssert {};
template <bool b> struct CompileAssert;
template <> struct CompileAssert<true> {};
#define COMPILE_ASSERT(expr, msg) \
typedef CompileAssert<(bool(expr))> msg[bool(expr) ? 1 : -1]
enum { assert_##msg = sizeof(CompileAssert<bool(expr)>) }
// Returns the number of elements in an array.
#define arraysize(arr) (sizeof(arr)/sizeof(*(arr)))