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[4/4]解决USB摄像头打开相机预览界面绿屏
liyujie
2025-08-28
786ff4f4ca2374bdd9177f2e24b503d43e7a3b93
[~lzh/A133.git]
/
android
/
external
/
eigen
/
failtest
/
swap_2.cpp
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#include "../Eigen/Core"
using namespace Eigen;
int main()
{
VectorXf a(10), b(10);
VectorXf const &ac(a);
#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
b.swap(ac);
#else
b.swap(ac.const_cast_derived());
#endif
}