Multiple ChoiceBeginner 45s
Value category of std::move result
In C++, the expression `std::move(x)` where `x` is a named lvalue of type `T` has which value category, and what is its type?
Options
- 1The expression is an xvalue of type `T&&`; std::move itself performs no move.
- 2The expression is an lvalue of type `T&`; it moves the object immediately.
- 3The expression is a prvalue of type `T`; a temporary is constructed.
- 4The expression is an xvalue of type `T&&`; it forcibly moves the object's bytes.
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