A big "Thank you" for the "big update".  It a very good reference!

On Sunday, September 20, 2020 at 8:45:43 AM UTC-4 [email protected] wrote:

> I made a big update to the wiki. I added an analysis of what is hopefully 
> a consistent and complete conceptual framework for what operators are that 
> explains why the categories are what they are and gives clear distinctions 
> between each category.
>
> There are also 7 (hopefully) fundamental  categories identified.
>
> The quick version is that there are list and non-list operators, both 
> types can have operators that filter, transform or replace the inputs.
> Then construction operators make the 7th category.
>
> There can be operators that fit into more than one category, but those 
> operators are equivalent to a sequence of operators that all fit into only 
> one of the 7 categories.
>
> It is the same link as before: 
> https://ooktech-tw.gitlab.io/filter-operator-notes/
>
> Note: there are actually 8 categories, but non-list construction operators 
> are never useful, so we ignore them.
>
> On Sunday, September 20, 2020 at 2:53:23 AM UTC+2 [email protected] wrote:
>
>> This is awesome! It would be *great* if this was on TW! Or at least as a 
>> documentation plugin we can install! 
>>
>> Thank you!
>>
>> On Saturday, September 19, 2020 at 7:24:23 PM UTC-5 TW Tones wrote:
>>
>>> This is great. 
>>>
>>> Something like this Should be on Tiddlywiki.com eventually.
>>>
>>> I was thinking of something similar to document system tags, 
>>>
>>> I have  a list of possible system tags, color coded but it is still 
>>> difficult to scan through them to find what I need in a hurry. 
>>> Categorisation would be better.
>>>
>>> Regards
>>> Tony
>>>
>>> On Sunday, 20 September 2020 at 04:21:37 UTC+10 [email protected] wrote:
>>>
>>>> The quick version: I made a wiki that describes the different filter 
>>>> operator categories and lets you look through the operators by different 
>>>> categories. The wiki is here; 
>>>> https://ooktech-tw.gitlab.io/filter-operator-notes/
>>>>
>>>> I am not sure how useful this will be for anyone else.
>>>>
>>>> For another project I wrote a parser for tiddlywiki style filters, and 
>>>> part of that I had to make a more detailed description of the different 
>>>> operator types than just 'construction' and 'selection'.
>>>>
>>>> I came up with 6 categories that I hope are the fundamental types of 
>>>> operators, construction, filtering, transformation, replacement, list, and 
>>>> list replacement.
>>>>
>>>> There are also categories defined by what inputs operators use and by 
>>>> the purpose of the operator, but I haven't finished all of that yet.
>>>>
>>>

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