[NTG-context] Re: configuring spitter

[Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>]

juh+ntg-context@mailbox.org schrieb am 08.10.2024 um 20:10:
> Am 08.10.24 um 19:16 schrieb Wolfgang Schuster:
>> You can change the separator when you create a custom splitter.
>>
>> local csvsplitter = utilities.parsers.rfc4180splitter{ separator = ";" }
> 
> Thanks a lot.
> 
> Just curious. I often wonder in pure ConTeXt when to use curly bracets 
> and when square brackets
> 
> In this lua code I would think we would need simple rounded ones.
> 
> Like in your first example where you call the splitter without options:
> 
> local csvsplitter = utilities.parsers.rfc4180splitter()
> 
> I am sure that this is some lua convention, but, nevertheless, it 
> puzzles me.


It's explained in the Lua manual:

%%%% begin quotation
Lua 5.4 Reference manual

[...]

3.4.10 -- Function calls

[...]
A call of the form f{fields} is syntactic sugar for f({fields}); that 
is, the argument list is a single new table.
[...]
%%%% end quotation

Wolfgang
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