"++" vs "+=" on function parameter

[claptrap]

On Sunday, 8 March 2026 at 10:16:56 UTC, user1234 wrote:
> On Sunday, 8 March 2026 at 03:30:55 UTC, claptrap wrote:
>> [...]
>> Just seems like p++ should behave like p+=N for parameters, I 
>> mean if you had never seen that syntax before you would 
>> probably assume similar behaviour.
>
> 1. This would break code

agreed

> 2. that would be inconsistent with the C version

agreed

> 3. that would be globally inconsistent with the definition, 
> that can be reduced to "return the value of the sub-expression 
> before the side-effect".

Doesnt that mean "p++" is inconsistent? Arn't "p++" and "p+=1" 
essentially shorthand for "p=p+1"