Implicit conversion to mutable if no indirections?

[Mathias LANG]

On Saturday, 3 September 2022 at 01:50:05 UTC, Steven 
Schveighoffer wrote:
>
> The one exception to the "exact type" rule is for arrays and 
> pointers, which automatically convert to their tail versions. 
> This is a special case for the benefit of range code.
>
> Perhaps the same rules should be done for value types?
>
> -Steve

I think it's also done to reduce the number of template 
instantiations.
And I agree, it should be done for value types.