Re: [dev-context] Storing and retrieving two-pass data

[luigi scarso <luigi.scarso@gmail.com>]

On Fri, Apr 20, 2012 at 5:30 PM, Marco <netuse@lavabit.com> wrote:
> On 2012-04-19 Wolfgang Schuster <schuster.wolfgang@googlemail.com> wrote:
>
> Hi Wolfgang,
>
> thanks for  the answer. In the first place I also  came up  with a
> similar solution  to yours. But  that's what I meant  by ”manually
> counting” and  wanted to avoid.  Apparently I missed  the obvious,
> there is no special magic needed:
>
> % doesn't seem to be necessary
> % \definedataset [test]
>
> \setdataset [test] [foo] [foo=first]
> \setdataset [test] [foo] [foo=second]
>
> \setdataset [test] [bar] [bar=first]
> \setdataset [test] [bar] [bar=second]
> \setdataset [test] [bar] [bar=third]
>
> \starttext
>        foo is: \datasetvariable{test}{foo}{foo}\crlf
>        bar is: \datasetvariable{test}{bar}{bar}
> \stoptext
>
> Wikified:
> http://wiki.contextgarden.net/System_Macros/Key_Value_Assignments#Two-pass_data
"""
Two-pass data is data that can be accessed before it has been created.
"""
Hm how can  something be read "before* being created ?

(super-luminal neutrino  is not anymore a valid answer ...)
-- 
luigi
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