OpenEuphoria

Re: suggestion for 2.3

• Posted by Irv Mullins <irvm at ellijay.com> May 07, 2001
• 401 views

On Mon, 07 May 2001, aku at inbox.as wrote:

> if I have a sequence:
> 
> seq =
> {
>  { 1, 2, 3},
>  { 4, 5, 6},
>  { 7, 8, 9},
>  {10,11,12}
> }
> 
> and i want to get the first column ( 1,4,7,10 )
> in version 2.2 i must use at least 1 'for' statement.
> 
> I suggest this for version 2.3:
> 
> a = seq[][1]        -- a = {1,4,7,10}
> a = seq[][1..2]     -- a = {{1,2},{4,5},{7,8},{10,11}}
> a = seq[][1..2][1]  -- a = {1,2}
> a = seq[]           -- a = seq
> 

This would indeed be useful in many ways - and it has been discussed here 
before. So much so that it's been given a name "vertical slicing". 

We can only hope that it's in Rob's list.

Regards,
Irv