Setting field of struct object

[zjh]

On Monday, 22 January 2024 at 08:27:36 UTC, Joel wrote:

> ```d
> import std;
>
> struct Person {
>     string name, email;
>     ulong age;
>     auto withName(string name) { this.name=name; return this; }
>     auto withEmail(string email) { this.email=email; return 
> this; }
>     auto withAge(ulong age) { this.age=age; return this; }
> }
>
> void main() {
>     Person p;
>     
> p.withName("Tom").withEmail("joelcnz at gmail.com").withAge(44);
>     writeln(p);
> }
> ```

VS:`C++`

```d
struct Person {
     string name, email;
     ulong age;
}
Person a{"n","email",33};
```