Kind of like Design Patterns <https://en.wikipedia.org/wiki/Design_Patterns> 
for TiddlyWiki.

Possibly similar to the Factory 
<https://en.wikipedia.org/wiki/Factory_method_pattern> pattern.

-- Mark

On Thursday, December 13, 2018 at 11:50:06 AM UTC-8, Mohammad wrote:
>
> By accident I learned an amazing feature of *macrocall* widget during 
> experimenting with *Thomas Elmiger* extract macro.
>
> Thomas used variable to make aliases of macro and call them using 
> *macrocall* based on different condition.
>
> As an example see (this is only for demo purpose, so it is very simple)
>
> \define mac(mytag, output:"simple")
>
>
> <$list filter="[tag[$mytag$]]" variable=v>
> <$macrocall $name=<<__output__>> p=<<v>> />
> </$list> 
>
>
> \end
>
>
>
> where simple here can be for example
>
> \define simple(p)
> <span style="color:red"><$view text=<<__p__>> /></span><br>
> \end
>
>
> You can call mac like
>
> <<mac "Concepts">>
>
> Now you can have a customized output like
>
> \define myout(p)
> <li><$text text=<<__p__>>/></li>
> \end
>
> <ol>
> <<mac Concepts output:"myout">>
> </ol>
>
>
> So, this is a great TW5 capability and you can send your customized output 
> to a macro already developed by other.
> This can also be used for core macro and lets user customize their output.
>
> You can test this on tiddlywiki.com! 
>
> --Mohammad.
>

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