Array Slice Ranges

[BCS]

Nikita Kalaganov wrote:
> Hmm, as far as I understand, the non-inclusive slice avoids massive '+1'
> appearings in source.
> 
> For example (slice five elements]:
> 
> uint size = 5;
> data[head..head + size] //is better than data[head..head + size + 1] for inclusive
> slice
> 

Wouldn't that be -1? But the point stands.

Also how do you get a 0 length slice with inclusive?

exclusive

data[0..0].length == 0;

inclusive

data[0..0].length == 1;


> But, there are better syntax available:
> 
> [2..5] means 2,3,4,5 (inclusive slice)
> [2..:5] means 'take five elements, first is at index 2', to avoid '+1' problem
> 
> So, example becomes:
> 
> uint size = 5;
> data[head..:size] //good, isn't it ?
>

I'd go with [start->length] but thats just me.