[stringtemplate-interest] How can I test if an attribute exists?

[Samuel Lee]

This is what I want to do:

$if(it.foo)$
    do something with $it.foo$
$endif$

Obviously, it throws an exception: java.lang.NoSuchFieldException.

I also tried:

$if(!it.foo)$

and

$if(!(it.foo))$

but I can't eliminate the exception.

Is it possible to conditionally do something if an object has specific
attribute?

Thanks
Sam
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