Move Constructor Syntax

[zjh]

On Thursday, 10 October 2024 at 06:41:55 UTC, Walter Bright wrote:

>> https://forum.dlang.org/post/uvqyfedjuuerueinikwl@forum.dlang.org
>

```d
// Function bodies omitted for brevity
     // mutable original
     this(ref typeof(this));
     this(ref typeof(this)) const;
     this(ref typeof(this)) immutable;
     this(ref typeof(this)) inout;

     // const original
     this(ref const typeof(this));
     this(ref const typeof(this)) const;
     this(ref const typeof(this)) immutable;
     this(ref const typeof(this)) inout;

     // immutable original
     this(ref immutable typeof(this));
     this(ref immutable typeof(this)) const;
     this(ref immutable typeof(this)) immutable;
     this(ref immutable typeof(this)) inout;

     // inout original
     this(ref inout typeof(this));
     this(ref inout typeof(this)) const;
     this(ref inout typeof(this)) immutable;
     this(ref inout typeof(this)) inout;

     // etc.
```

`C++` has a deduced this,like this:
```cpp
struct A {
     template <typename Self>
     void bar(this Self&& self);
};
```