OpenEuphoria

Re: Eu improvements (part 4)

• Posted by Pete Lomax <petelomax at blueyonder.co.uk> Jan 06, 2007
• 766 views

Pete Lomax wrote:
> 
Yeah, Cut that middle bit of nonsense, subsequences rule, no flattening:
> }}}
<eucode>
> type Point(sequence p)
> enum integer x, y       -- x=1, y=2
> --  if length(p)!=2 then return 0 end if        -- automatic
> --  if not integer(p[1]) then return 0 end if   -- automatic
> --  if not integer(p[2]) then return 0 end if   -- automatic
>     return 1
> end type
> 
> type Point_3D(sequence q)
> enum Point p, integer z -- p=1, z=2
> --  if not Point(q[1]) then return 0 end if     -- automatic
> --  if not integer(q[2]) then return 0 end if   -- automatic
>     return 1
> end type
> 
> Point_3D A
>  A={{1,1},1}
>  ?A.p.x -- same as A[1][1], note A[p][x] gives p undefined
>         --                   and A[1][x] gives x undefined
>  ?A.p.y -- same as A[1][2], note A[p][y] gives p undefined
>         --                   and A[1][y] gives y undefined
>  ?A.z   -- same as A[2], note A[z] gives z undefined
> </eucode>
{{{

> 
Agreed, you're right, much happier with that now.
Yes, obviously you can put user defined code above the return 1.

Thanks,
Pete