Why is the following failing?

[Hipreme]

On Thursday, 25 January 2024 at 15:20:01 UTC, ryuukk_ wrote:
> ```D
> void main()
> {
>     char[32] id = 0;
>     const(char)* str = "hello";
>
>     id = str[0 .. 6];
> }
>
> ```
>
>
> it should be a simple memcpy, why DMD complain?
>
> ``onlineapp.d(6): Error: mismatched array lengths 32 and 6 for 
> assignment `id[] = str[0..6]```
>
> I'm too tired to notice something obvious?


You need to slice your `id` variable to be the required size. 
You're trying to assign the complete `id` variable to a slice of 
size 6.

i.e: that should be used instead `id[0..6] = str[0..6]`