Inconsistent chain (implicitly converts to int)

[rkompass]

On Friday, 5 April 2024 at 16:05:20 UTC, H. S. Teoh wrote:
> On Fri, Apr 05, 2024 at 03:18:09PM +0000, Salih Dincer via 
> Digitalmars-d-learn wrote:
>> Hi everyone,
>> 
>> Technically r1 and r2 are different types of range. Isn't it 
>> inconsistent to chain both? If not, why is the char type 
>> converted to int?
> [...]
>
> It's not inconsistent if there exists a common type that both 
> range element types implicit convert to.
>

In the first example the int's are converted to doubles (also 
common type).
But they appear as int's because writeln does not write a 
trailing .0.