Which operators cannot be overloaded and why not?

[user1234]

On Monday, 13 September 2021 at 18:06:42 UTC, NonNull wrote:
> On Monday, 13 September 2021 at 14:42:42 UTC, jfondren wrote:
>> On Monday, 13 September 2021 at 14:33:03 UTC, user1234 wrote:
>>> - condition al expression ` cond ? exp : exp `
>>
>> And many other boolean operators, unary !, binary && and ||
>>
>> https://dlang.org/spec/operatoroverloading.html lists all the 
>> overloadable operators, and 
>> https://dlang.org/spec/expression.html has all the operators, 
>> so "which operators" is a matter of close comparison.
>
> Is there no list of such in an article online? It would be good 
> if that work was done for once and for all, with a short 
> explanation in each case, possibly with discussion in some 
> cases of how to achieve results by other means.

well this whole thread is certainly the raw material for an 
article (or D blog post) on D operator overloads. Just, someone 
has to compile the informations and write the said article.