assert class pointer
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在类函数中判断当前对象是否有效.
#ifdef _DEBUG#include <windows.h>#define ASSERT_READ assert(!::IsBadReadPtr(this, sizeof(*this)));#define ASSERT_WRITE assert(!::IsBadWritePtr(this, sizeof(*this)));#else#define ASSERT_READ #define ASSERT_WRITE #endifvoid CClass::testNullPointer(int n){ASSERT_READ;//ASSERT_WRITE;//...}
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