length's type.

[kdevel]

On Thursday, 8 February 2024 at 16:54:36 UTC, Kevin Bailey wrote:
> [...]
> On Thursday, 8 February 2024 at 15:26:16 UTC, kdevel wrote:
>>
>> Elegant and correct is this version:
>>
>> ```d
>> import std.stdio;
>>
>> int main()
>> {
>>         char[] something = ['a', 'b', 'c'];
>>
>>         writeln("len: ", something.length);
>>         writeln("typeid(something.length): ",
>>                 typeid(something.length));
>>
>>         writeln ("i: -1");
>>         foreach (i, _; something)
>>                 writeln("i: ", i);
>>         return 0;
>> }
>> ```
>>
>> But it is still a bit too "clever" in the `foreach` statement 
>> due to the unused variable `_`.
>
> It has a bigger problem. What happens when I change the code in 
> the loop but forget to change the code outside the loop?

How exactly is that pseudo index `-1` related to the real indices 
of the array `something`? This is absolutely not clear to me. I 
simply don't see what problem you are trying to solve.