| static_cast<const int&>(v1 = 1) = 1 | |
| static_cast<const double&>(v1 = 3.14) = 3.14 | |
| static_cast<const double&>(v2 = v1) = 3.14 | |
| static_cast<const char* const&>(v2 = "abc") = abc | |
| static_cast<const char* const&>(v1 = v2) = abc | |
| static_cast<const char&>(v3) = exception |