Move Constructors - Converting Lvalues to Rvalues

[Imperatorn]

On Wednesday, 2 October 2024 at 18:00:29 UTC, Walter Bright wrote:
> On 10/1/2024 1:06 PM, Timon Gehr wrote:
>> [...]
>
> The major difference between @move and __rvalue is the former 
> is attached to the parameter, and the latter is attached to the 
> argument. This might seem a distinction without a difference, 
> but this has large implications with how overloading works.
>
> [...]

The intrinsic is clearly best

```d
struct S {
     this(ref S) { /* Copy */ }
     this(S)     { /* Move */ }
}

void main() {
     S t;
     S s1 = t;            // Copy
     S s2 = __rvalue(t);  // Move
```