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On 10/2/21 10:38 PM, Kenneth wrote:
> "Kenneth" <kdw### [at] gmail com> wrote:
>>
>> #declare F0 = function {pattern {bozo}}
>> ..throws a fatal error just by itself, "Expected 'Rvalue to declare', pattern
>> found instead"
>>
> [and...]
>> I just ran that 'pattern' version in v3.7.0 (Windows), and it
>> fails there too, same error message...
>
> MY ERROR! I mixed up my various tests :-\ Those two #declared functions DO
> parse OK in Windows, in both v3.7.0 and v3.8.0 beta 1. Very sorry for the
> confusion.
>
> What I actually *tested* was this comparison, by mistake (but still interesting,
> and maybe odd- but certainly off-topic here):
>
> #declare PATT =
> pattern{bozo}
> ... which fails parsing
>
> or..
>
> #declare PATT =
> pigment{bozo}
> ...which parses successfully
>
Ah, good. Thanks for following up.
---
Aside: In my tcl wrapper for SDL, I have functions which allow me to
declare Patterns, Warps, Radiosity, and other blocks(1) by name so they
can just be references later by name as needed(1). The capability to
pre-declare certain blocks by ID unfortunately isn't / wasn't
implemented for some features of POV-Ray's SDL.
(1) - Underneath it creates macros which then are, repeatedly, inserted
as needed.
The missing declare ability I trip over frequently, when writing raw
SDL, is: #declare Warp00 = warp{...}.
Bill P.
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