[stringtemplate-interest] "final" word on null vs missing vs empty

[Zenaan Harkness]

On Tue, Oct 20, 2009 at 04:38:22PM -0700, Terence Parr wrote:
...
> The use case that I had for "missing" being important I realize is now  
> a flaw in my thinking. filtering should be done in the model and not  
> the view so my use case was an abuse case :)

Hard to disagree.

> When I yanked out the code that handled all of this missing versus  
> null crap, it became much simpler and easier to understand + faster  
> etc...

Good signs.

Any thoughts on making 'if' strict, or providing something like:
   if.boolean (a data analysis/ model signal operator), and
   if.existence (a data presence operator)
   ??

best
zen

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