is opOpAssign returning a value less than ideal ?

[Codifies]

On Thursday, 8 November 2018 at 06:01:57 UTC, Jonathan M Davis 
wrote:
> On Wednesday, November 7, 2018 10:45:07 PM MST Jonathan M Davis 
> via Digitalmars-d-learn wrote:
>> [...]
>
> Rereading what you wrote, are you asking whether it's 
> reasonable to return a value instead of a reference? 
> Personally, I don't think that that's good design at all, but I 
> also don't see any reason for the compiler to prevent it.
>
> Personally, I think that the default design should be to return 
> by ref. Returning void is less than ideal but isn't necessarily 
> bad, depending on the situation (especially if we're not 
> talking about a general purpose library). However, I expect 
> that returning non-void by value rather than by ref is rarely 
> -if ever - going to be a good design choice. It's just going to 
> be confusing and not particularly useful.
>
> - Jonathan M Davis

NB its not returning a ref to the list, its returning the newly 
created node when you use the operator you add a type to the 
list, so it possibly wouldn't be that much use for chaining?